Kan een afbeelding zijn van 1 persoon

Dit is ons nieuw hondje Kira, een kruising van een waterhond en een Podenko. Ze is sinds 7 februari 2024 bij ons en druk bezig ons hart te veroveren. Het is een lief, aanhankelijk hondje, dat zich op een week snel aan ons heeft aangepast. Ze is heel vinnig en nieuwsgierig, een heel ander hondje dan Noleke.

This is our new dog Kira, a cross between a water dog and a Podenko. She has been with us since February 7, 2024 and is busy winning our hearts. She is a sweet, affectionate dog who quickly adapted to us within a week. She is very quick and curious, a very different dog than Noleke.

Carl Sagan Space GIF by Feliks Tomasz Konczakowski

X Files Ufo GIF by SeeRoswell.com

1990: Petit-Rechain, Belgium triangle UFO photograph - Think AboutIts

Ufo Pentagon GIF

ufo abduction GIF by Ski Mask The Slump God

Flying Sci-Fi GIF by Feliks Tomasz Konczakowski

Season 3 Ufo GIF by Paramount+

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De bronafbeelding bekijken

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Beste bezoeker, bedankt voor uw bezoek.

Dear visitor, thank you for your visit.

Cher visiteur, je vous remercie de votre visite.

Liebe Besucher, vielen Dank für Ihren Besuch.

Estimado visitante, gracias por su visita.

Gentile visitatore, grazie per la vostra visita.

Inhoud blog
  • Area 51 has ultra-secure 'base within a base' where dazzling secret aircraft are tested, says expert whose home was raided over website revealing 'truth' of Nevada UFO base
  • Terrified mum spots 'flying cylinder' UFO from airplane window over huge city
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  • Major Marcel’s Secret Diary and the Roswell Enigma
  • UFO Seen In Video Over New York City’s LaGuardia Airport
  • James Bond, eat your heart out! Futuristic submarine resembles a UFO and can take eight passengers to depths of up to 656ft
  • 'I faced 10ft demon creature aliens in my garden – even the police were nervous'
  • Ship Leaving Sun, 10X Bigger than Earth! April 15, 2024, UFO Sighting News.
  • The Enigmatic Encounter: The Stavropol Territory UFO Incident
  • David Bowie was right - there are spiders on Mars! European Space Agency's spacecrafts snap mysterious arachnid shapes on the Red Planet
  • UFO or drone? 'Flying cylinder' spotted soaring over New York City's LaGuardia Airport baffles passenger
  • UFO-spotting Las Vegas teen traumatized by eight-foot-tall 'demon creature' he claims he saw in his backyard
  • Mars Express Spots ‘Spiders’ at Outskirts of Martian ‘Inca City’
  • Did Chris Mellon just confirm U.S. UFO crash retrievals?
  • ,Brazil’s Bold Approach to UFO Sightings
  • De mysterieuze stad die wetenschappers al jaren verbijstert
  • Watch 4 solar flares erupt from the sun at nearly the same time in extremely rare event
  • US Congressman Says Revealing UFO Technology Is a Threat to Energy Sector: It Can Disrupt World Economy
  • Earth's weird 'quasi-moon' Kamo'oalewa is a fragment blasted out of big moon crater
  • Can NASA's Mars Sample Return Program Be Saved? Some Experts Think So
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    Beoordeel dit blog
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    The purpose of  this blog is the creation of an open, international, independent and  free forum, where every UFO-researcher can publish the results of his/her research. The languagues, used for this blog, are Dutch, English and French.You can find the articles of a collegue by selecting his category.
    Each author stays resposable for the continue of his articles. As blogmaster I have the right to refuse an addition or an article, when it attacks other collegues or UFO-groupes.
     

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    Rondvraag / Poll
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    Deze blog is opgedragen aan mijn overleden echtgenote Lucienne.

    In 2012 verloor ze haar moedige strijd tegen kanker!

    In 2011 startte ik deze blog, omdat ik niet mocht stoppen met mijn UFO-onderzoek.

    BEDANKT!!!

    Een interessant adres?
    UFO'S of UAP'S, ASTRONOMIE, RUIMTEVAART, ARCHEOLOGIE, OUDHEIDKUNDE, SF-SNUFJES EN ANDERE ESOTERISCHE WETENSCHAPPEN - DE ALLERLAATSTE NIEUWTJES
    UFO's of UAP'S in België en de rest van de wereld
    In België had je vooral BUFON of het Belgisch UFO-Netwerk, dat zich met UFO's bezighoudt. BEZOEK DUS ZEKER VOOR ALLE OBJECTIEVE INFORMATIE , enkel nog beschikbaar via Facebook en deze blog. Verder heb je ook het Belgisch-Ufo-meldpunt en Caelestia, die prachtig, doch ZEER kritisch werk leveren, ja soms zelfs héél sceptisch... Voor Nederland kan je de mooie site www.ufowijzer.nl bezoeken van Paul Harmans. Een mooie site met veel informatie en artikels. MUFON of het Mutual UFO Network Inc is een Amerikaanse UFO-vereniging met afdelingen in alle USA-staten en diverse landen. MUFON's mission is the analytical and scientific investigation of the UFO- Phenomenon for the benefit of humanity... Je kan ook hun site bekijken onder www.mufon.com. Ze geven een maandelijks tijdschrift uit, namelijk The MUFON UFO-Journal. Since 02/01/2020 is Pieter ex-president (=voorzitter) of BUFON, but also ex-National Director MUFON / Flanders and the Netherlands. We work together with the French MUFON Reseau MUFON/EUROP. ER IS EEN NIEUWE GROEPERING DIE ZICH BUFON NOEMT, MAAR DIE HEBBEN NIETS MET ONZE GROEP TE MAKEN. DEZE COLLEGA'S GEBRUIKEN DE NAAM BUFON VOOR HUN SITE... Ik wens hen veel succes met de verdere uitbouw van hun groep. Zij kunnen de naam BUFON wel geregistreerd hebben, maar het rijke verleden van BUFON kunnen ze niet wegnemen...
    03-02-2024
    Klik hier om een link te hebben waarmee u dit artikel later terug kunt lezen.CHINESE WETENSCHAPPERS ONTWIKKELEN MATERIAAL DAT JE ONZICHTBAAR MAAKT!

    CHINESE WETENSCHAPPERS ONTWIKKELEN MATERIAAL DAT JE ONZICHTBAAR MAAKT!

    Chinese Wetenschappers Creëren Materiaal dat Onzichtbaarheid Mogelijk Maakt!

    Beeld: Weibo

    John Cena wordt binnenkort, dus niet de enige die onzichtbaarheid is (haha)Heb je ooit van Chimera gehoord? Nee, niet het mythische wezen, maar de nieuwste doorbraak van Chinese wetenschappers! Materiaal dat onzichtbaarheid mogelijk maakt! Geïnspireerd door de natuurlijke eigenschappen van camouflagemeesters. Deze baanbrekende uitvinding, genaamd Chimera, zou wel eens een spelveranderaar kunnen zijn in zowel militaire als natuurbehoudtoepassingen. Laten we eens dieper duiken in deze fascinerende ontwikkeling die ons vermogen om te verbergen opnieuw definieert.

    Chimera

    Het concept van materiaal dat onzichtbaarheid mogelijk maakt, is even intrigerend als het klinkt. Deze vinding gebruikt verschillende soorten geavanceerde voorwerpen die licht– en warmtegolven op slimme wijze manipuleren, waardoor het objecten bijna volledig uit het zicht kan onttrekken. Het is alsof je een kameleon, glaskikker, en baardagaam samenbrengt in één supermateriaal, waarbij elk dier zijn unieke camouflagevermogen bijdraagt aan deze baanbrekende uitvinding.

    Chinese Wetenschappers Creëren Materiaal dat Onzichtbaarheid Mogelijk Maakt!

    Beeld: Pexels ego

    Materiaal dat Onzichtbaarheid Mogelijk Maakt

    Deze technologie, die bijna onzichtbaar is voor warmtecamera’s, zou een grote impact kunnen hebben op hoe we ons verbergen voor radar en camera’s. Het is alsof je je eigen onzichtbaarheidsmantel hebt, rechtstreeks uit de sciencefictionfilms! De mogelijkheden van Chimera zijn enorm. In een militaire context kan het worden gebruikt om uitrusting of zelfs personen aan het zicht te onttrekken. Maar het kan ook worden ingezet voor natuurbehoud, waardoor wetenschappers dieren kunnen observeren zonder hun natuurlijke gedrag te verstoren.

    Uitvinding van Chinese wetenschappers

    Chimera, de recente uitvinding van Chinese wetenschappers, opent een wereld van mogelijkheden in onzichtbaarheidstechnologie. Van het verbergen van militair materieel tot het onopvallend bestuderen van dieren in het wild, de toepassingen zijn net zo gevarieerd als ze indrukwekkend zijn. Deze ontwikkeling laat zien hoe ver we zijn gekomen in het nabootsen van de wonderen van de natuur en hoe we deze kunnen gebruiken voor onze technologische vooruitgang. Het materiaal dat onzichtbaarheid mogelijk maakt, is niet alleen een stap vooruit in de wetenschap, maar ook een fascinerend voorbeeld van hoe de natuur onze grootste inspiratiebron blijft.

    Check ook:

    https://sgxl.nl/ }

    03-02-2024 om 18:05 geschreven door peter  

    0 1 2 3 4 5 - Gemiddelde waardering: 0/5 - (0 Stemmen)
    Categorie:SF-snufjes }, Robotics and A.I. Artificiel Intelligence ( E, F en NL )
    Klik hier om een link te hebben waarmee u dit artikel later terug kunt lezen.AMERIKAANSE EX-MILITAIR BEWEERT 92 DAGEN ONTVOERD TE ZIJN DOOR ALIENS

    AMERIKAANSE EX-MILITAIR BEWEERT 92 DAGEN ONTVOERD TE ZIJN DOOR ALIENS

    Buitenaardse Ontmoeting

    Beeld: Pixabay 2857440

    Buitenaardse ontmoeting?! Je speelt verstoppertje, valt in slaap, en wordt wakker in een buitenaards moederschip! Dit klinkt als het script voor een sciencefictionfilm, toch? Maar voor Alex Collier, een voormalige Amerikaanse legerhelikopterpiloot, was dit de realiteit – tenminste, dat beweert hij. Hij deelt een ongelooflijk verhaal over zijn ‘ontvoering’ door aliens, waarbij hij 92 dagen bij Andromedianen doorbracht, maar op aarde slechts 18 minuten vermist was. Klinkt bizar? Lees verder en oordeel zelf!

    Een Onverwachte Reis naar de Sterren

    Het avontuur van Alex begon toen hij als kind verstoppertje speelde in een maïsveld. Wat begon als een onschuldig spelletje, eindigde in een buitenaardse ontmoeting die de grenzen van onze verbeelding tart. Eenmaal aan boord van het Andromediaanse schip, kreeg Collier de kans om hun samenleving van dichtbij te observeren. Hij beschrijft het als een leerzame en unieke ervaring, bijna als een ‘vis in een kom’, waarbij hij net zo goed werd bestudeerd als dat hij zelf observeerde.

    Buitenaardse Ontmoeting

    Beeld: Pexels Stephen

    De Complexiteit van Buitenaardse Technologie

    Collier doet uit de doeken over de geavanceerde technologieën van het schip, die onze huidige wetenschappelijke kennis ver overstijgen. Hij beschrijft hoe de fysieke en dimensionale wetten veranderen zodra je het schip betreedt, iets wat voor ons, aardbewoners, bijna onmogelijk te bevatten is.

    Buitenaardse Ontmoeting

    De buitenaardse ontmoeting van Collier was niet alleen een culturele onderdompeling in een andere beschaving, maar ook een reis door de complexiteiten van tijd en ruimte. Hij ondervond fysieke veranderingen en tijdreizen, een concept dat onze aardse wetten tart. Volgens zijn verhaal stond één dag bij de Andromedianen gelijk aan 31 dagen op aarde. Deze verhouding in tijd zorgde voor een uniek perspectief, waarbij Collier ervaringen opdeed die een leven lang leken te duren in een fractie van de tijd zoals wij die kennen. Deze ongewone tijdsdynamiek op het buitenaardse schip bracht hem in een wereld waar seconden zich uitstrekten tot uren, en uren tot dagen, een fascinerende verstoring van onze normale tijdsperceptie.

    Buitenaardse Ontmoeting

    Beeld: Pexels meriam

    Fascinerend

    Alex Collier’s buitenaardse ontmoeting is niet iets wat je elke dag hoort. Zijn beweringen over een ontmoeting met buitenaardse wezens en een verblijf van 92 dagen op een moederschip, terwijl hij op aarde maar 18 minuten weg was, roepen veel vragen op. Zijn verhalen over tijdreizen, buitenaardse technologie en interdimensionale ervaringen klinken als iets uit een film, maar voor hem was dit een realiteit. Of je het nu gelooft of niet, het is een fascinerend verhaal dat de grenzen van onze verbeelding en ons begrip van het universum oprekt.

    Check ook dit huiveringwekkende verhaal van een vrouw die door aliens zou zijn ontvoerd:

    Check ook:

     { https://sgxl.nl/ }

    03-02-2024 om 17:56 geschreven door peter  

    0 1 2 3 4 5 - Gemiddelde waardering: 0/5 - (0 Stemmen)
    Categorie:ALIEN LIFE, UFO- CRASHES, ABDUCTIONS, MEN IN BLACK, ed ( FR. , NL; E )
    Klik hier om een link te hebben waarmee u dit artikel later terug kunt lezen.5 GIGANTISCHE ASTEROÏDEN ZO GROOT ALS EEN VOETBALSTADION NADEREN DE AARDE

    5 GIGANTISCHE ASTEROÏDEN ZO GROOT ALS EEN VOETBALSTADION NADEREN DE AARDE

    03-02-2024 om 17:44 geschreven door peter  

    0 1 2 3 4 5 - Gemiddelde waardering: 0/5 - (0 Stemmen)
    Categorie:ASTRONOMIE / RUIMTEVAART
    02-02-2024
    Klik hier om een link te hebben waarmee u dit artikel later terug kunt lezen.Should We Send Humans to Mars?

    Featured Image: True-color image of the Red Planet taken on October 10, 2014, by India’s Mars Orbiter mission from 76,000 kilometers (47,224 miles) away.
    (Credit: ISRO/ISSDC/Justin Cowart) (This file is licensed under the Creative Commons Attribution 2.0 Generic license.)

    Should We Send Humans to Mars?

    Universe Today has explored the potential for sending humans to EuropaVenusTitan, and Pluto, all of which possess environmental conditions that are far too harsh for humans to survive. The insight gained from planetary scientists resulted in some informative discussions, and traveling to some of these far-off worlds might be possible, someday. In the final installment of this series, we will explore the potential for sending humans to a destination that has been the focus of scientific exploration and science folklore for more than 100 years: Mars aka the Red Planet.

    Dr. Jordan Bretzfelder, who is a Postdoctoral Fellow in the Department of Earth, Planetary, and Space Sciences at the University of California, Los Angeles (UCLA), shares her insights on the viability of sending humans to Mars and how we should do it. So, should we send humans to Mars?

    “Yes, I think there is immense value in sending humans to engage in scientific exploration on Mars,” Dr. Bretzfelder tells Universe Today. “Humans can make quick decisions about sampling and data acquisition and can move around certain obstacles and terrain with more ease and freedom than many types of robotic vehicles. This would also provide opportunities to study and develop technology to facilitate future planetary exploration.”

    Countless robotic pioneers have explored the surface and atmosphere of Mars in incredible detail and continue to teach us whether Mars once had—or currently has—life. However, humans could provide an extra level of exploration since they won’t be hindered by waiting for instructions from Earth ground controllers, which can take anywhere from 5 to 20 minutes one way. If something goes wrong, human explorers can make on-the-spot decisions to find solutions, whereas robot explorers are faced with waiting for engineers back on Earth to find solutions, followed by sending instructions, and more waiting. Regarding technological advancements, a human mission will undoubtedly teach us how to live and work on Mars, and this includes testing shelters, food, bathroom facilities, and even combating the mental fatigue from being so far from Earth for a prolonged period. All things considered, what are the pros and cons of sending humans to Mars?

    Dr. Bretzfelder tells Universe Today, “Pros are as above, and many examples of the benefits of humans in the field can be found in the history of the Apollo missions; instances where certain scientifically valuable rocks were collected due to the quick thinking and judgement of the astronauts. Cons include the difficulties involved in keeping astronauts alive and safe on a distant and environmentally complicated planetary surface. Additionally, the possibility of accidentally introducing terrestrial microbes to Mars is a potential risk.”

    Whether it’s a robotic or human mission, NASA’s Office of Planetary Protection is responsible for ensuring that microbes don’t hitch a ride and contaminate extraterrestrial environments that we wish to explore, but especially to protect us from any microbes that could potentially be brought back to Earth.

    Regarding the ongoing robotic exploration of Mars, there are presently seven active Mars orbiters from several nations teaching us more and more about the Red Planet and unlocking its secrets. On the surface, there are currently three active missions: NASA’s Curiosity and Perseverance rovers, and China’s Zhurong rover. Past successful surface missions include NASA’s Viking 1 and Viking 2 landers, Mars PathfinderSpirit and Opportunity rovers, Phoenix lander, and InSight lander. From marsquakes to finding evidence for past surface liquid water, each of these missions spent years unlocking the secrets of Mars, both above and below the surface. But what additional science could be conducted by a human mission compared to a robotic mission?

    “As above, humans (within limits based on their suits and other equipment) have the ability to navigate terrain that may not be suitable for a rover or helicopter,” Dr. Bretzfelder tells Universe Today. “They also can make real time decisions in the field about sampling etc., meaning there is less delay in waiting for signals from mission control to guide the rovers. Humans are also very adaptable to changing conditions and can respond quickly to address any issues or unexpected situations during a mission.”

    In terms of an actual human habitat on Mars, countless images, videos, movies, and television shows have depicted a human habitat on the Martian surface, with very little depiction of a human habitat below the surface. While this depiction might be for aesthetics, a habitat on the surface would provide ideal surveying and sampling conditions, along with far better communications with Earth. However, a habitat on the surface would also expose the crew to dangerous amounts of solar radiation since Mars does not possess either an ozone layer or magnetic field like the Earth, both of which protect us from solar storms and other cosmic rays.

    Artist’s concept for a crewed mission on Mars.
    (Credit: NASA/Clouds AO/SEArch)

    In contrast, another type of human habitat could be below the surface, with past studies identifying the use of lava tubes for human settlements to shield them from the harmful solar radiation. However, any surface ventures could become tedious, along with communications with Earth becoming more complicated, even if a communications array was above-ground. Therefore, if humans were to travel to Mars, should it be above the surface or below?

    Dr. Bretzfelder tells Universe Today, “An above surface mission, similar to the Apollo and upcoming Artemis missions would be the most feasible given the technology available and would limit impact to the Martian surface by simply operating above ground rather than excavating below ground. Samples or cores taken from depth may be scientifically valuable though.”

    This discussion comes as NASA prepares to send humans back to the Moon as part of its Moon to Mars Architecture while SpaceX develops its Starship with the goal of sending humans to Mars, someday. China announced plans in 2021 to send their own astronauts to the Red Planet in 2033, with follow-up launches occurring every two years afterwards. Additionally, NASA has the goal of sending humans to Mars sometime in the 2030s.

    “It is an exciting time to be able to seriously consider this type of exploration, and as we return to the Moon, we will likely learn valuable lessons to enable human exploration of Mars,” Dr. Bretzfelder tells Universe Today.

    Will we ever send humans to Mars? Will such a mission achieve greater scientific objectives than the myriad of robotic missions sent to the Red Planet, and what could a human mission to Mars teach us about living and working so far from Earth? Only time will tell, and this is why we science!

    • As always, keep doing science & keep looking up!

    https://www.universetoday.com/ }

    02-02-2024 om 22:39 geschreven door peter  

    0 1 2 3 4 5 - Gemiddelde waardering: 0/5 - (0 Stemmen)
    Categorie:ASTRONOMIE / RUIMTEVAART
    Klik hier om een link te hebben waarmee u dit artikel later terug kunt lezen.Asteroid Ryugu Contained Bonus Comet Particles

    Asteroid Ryugu, as imaged by the Hayabusa2 spacecraft. The red dot marks the sampling location. Image Credit: JAXA/Hayabusa2

    Asteroid Ryugu, as imaged by the Hayabusa2 spacecraft. The red dot marks the sampling location.
    Image Credit: JAXA/Hayabusa2

    Asteroid Ryugu Contained Bonus Comet Particles

    On December 5th, 2020, Japan’s Hayabusa2 mission successfully returned samples it had collected from the Near-Earth Asteroid (NEA) 162173 Ryugu home. Since asteroids are basically leftover material from the formation of the Solar System, analysis of these samples will provide insight into what conditions were like back then. In particular, scientists are interested in determining how organic molecules were delivered throughout the Solar System shortly after its formation (ca. 4.6 billion years ago), possibly offering clues as to how (and where) life emerged.

    The samples have already provided a wealth of information, including more than 20 amino acidsvitamin B3 (niacine), and interstellar dust. According to a recent study by a team of Earth scientists from Tohoku University, the Ryugu samples also showed evidence of micrometeoroid impacts that left patches of melted glass and minerals. According to their findings, these micrometeoroids likely came from other comets and contained carbonaceous materials similar to primitive organic matter typically found in ancient cometary dust.

    The team was led by Megumi Matsumoto, an assistant professor from the Earth Science Department at Tohoku University’s Graduate School of Science. He was joined by researchers from the Division of Earth and Planetary Sciences at Kyoto University, the CAS Center for Excellence in Deep Earth Science, the Institute of Space and Astronautical Science (ISAS), the Japan Synchrotron Radiation Research Institute (JASRI), the Japan Aerospace Exploration Agency (JAXA), and NASA’s Johnson Space Center. The details of their findings were presented in a paper that recently appeared in the journal Science Advances.

    Hayabusa 2 artwork

    An artist’s conception shows Hayabusa 2’s sample return capsule making its atmospheric re-entry as its mothership flies above.
    Credit: JAXA Illustration

    Like the Moon and other airless bodies, Ryugu has no protective atmosphere and does not experience weathering or erosion. This ensures that craters caused by past impacts on its surface (which is directly exposed to space) are carefully preserved despite the passage of eons. These impacts generate intense heat that leaves behind melted patches of glass (aka. “melt splashes”), which quickly solidify in the vacuum of space. These impacts cause changes to the composition of the asteroid’s surface materials, revealing information about the history of impacts.

    After analyzing the Ryugu samples, Matsumoto and her colleagues found melt splashes ranging in size from 5 to 20 micrometers. Their composition suggests they came from cometary sources that impacted Ryugu while it was in a near-Earth orbit. “Our 3D CT imaging and chemical analyses showed that the melt splashes consist mainly of silicate glasses with voids and small inclusions of spherical iron sulfides,” said Matsumoto in a recent Tohoku University news release. “The chemical compositions of the melt splashes suggest that Ryugu’s hydrous silicates mixed with cometary dust.”

    Their analysis revealed small carbonaceous materials with a spongy texture indicative of nano-pores, small voids caused by the release of water vapor from hydrous silicates. This vapor was subsequently captured in the melt splashes, which also contained silicate glasses rich in magnesium and iron (Mg-Fe) and iron-nickel sulfides. The carbonaceous materials are similar in texture to primitive organic matter observed in cometary dust but differ in composition – lacking nitrogen and oxygen. Said Matsumoto:

    We propose that the carbonaceous materials formed from cometary organic matter via the evaporation of volatiles, such as nitrogen and oxygen, during the impact-induced heating. This suggests that cometary matter was transported to the near-Earth region from the outer solar system. This organic matter might be the small seeds of life once delivered from space to Earth.

    The carbonaceous material found in the melt splash shows a spongy texture and contains small iron sulfide inclusions.
    ©Megumi Matsumoto et al.

    Looking ahead, the team hopes to examine more Ryugu samples that will provide further insights into how primitive organic materials were delivered to Earth billions of years ago. Similarly, scientists at NASA’s Johnson Space Center recently completed the careful process of removing the samples collected by the OSIRIS-REx mission from their sample container. Analysis of these samples will reveal the composition and history of asteroid Bennu, another NEA that will provide vital information on how our Solar System evolved.

    Further Reading: 

    https://www.universetoday.com/ }

    02-02-2024 om 22:30 geschreven door peter  

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    Klik hier om een link te hebben waarmee u dit artikel later terug kunt lezen.An Astronaut Controls a Robotic Dog From Orbit

    DLR's four-legged robot Bert explores and monitors the unfamiliar environment. The Surface Avatar Experiment rehearsed an important scenario for future exploration missions on the Moon and Mars. Bert is being developed at the DLR Institute of Robotics and Mechatronics and can walk, trot, gallop, perform a passing gait and even climb. This enables him to cover long distances and at the same time move around in rough terrain or small caves.
    Credit: DLR.

    An Astronaut Controls a Robotic Dog From Orbit

    Swedish astronaut Marcus Wandt took control of a series of robots in Germany while on board the International Space Station, zipping around the Earth at 28,000 kilometers per hour (17,500 mph.) Researchers want to understand how time delays can affect the remote control of robots from an orbiting platform. Future astronauts could control rovers on the Moon’s or Mars’s surface from a spacecraft in orbit. Until now, only wheeled rovers have been part of the tests, but now they have added a dog-like robot called Bert.

    This robot research session, called ‘Surface Avatar’ follows initial experiments carried out in July 2023. Wandt operated the robots from a control station in the space station’s Columbus module, commanding three different robots at the German Space Agency’s (DLR) Robotics and Mechatronics Center in Oberpfaffenhofen, Germany. The goal is to develop innovative technologies that will allow humans to control several robots with precision, and have them act semi- or fully autonomously and even have different robots perform a task together.

    As part of the ‘Surface Avatar’ experiment, Swedish ESA astronaut Marcus Wandt commanded various robotic systems from the International Space Station (ISS).
    Credit: ESA/NASA

    “Future stations on the Moon and Mars, including astronaut habitats, will be built and maintained by robots operating under the guidance of astronauts,” said Alin Albu-Schäffer, Director of the DLR Institute of Robotics and Mechatronics, in a DLR article. “Our latest control and AI algorithms enable a single astronaut to command an entire team of different robots. Our DLR-ESA team is a world leader when it comes to this technology.”

    The remote operation of the dog-like robot Bert was marked the first time a non-wheel-driven robot was controlled remotely from space by astronauts. Previously, DLR’s humanoid service robot Rollin’ Justin and ESA’s Interact Rover have been teleoperated from space.

    During the session, Wandt, who is part of the private Axiom Mission 3 (Ax-3), was able to command Bert to utilize several types of gaits and, because of his leg-based locomotion, Bert was able to explore rough terrain, including small caves — areas that the rolling robots cannot reach. At one point, Wandt allowed Bert to explore the lab’s surroundings independently and monitor the terrain with his camera eyes. Meanwhile, Wandt operated Rollin’ Justin and the Interact Rover.

    The ‘Surface Avatar’ series of telerobotics experiments is aimed in particular at the further development of collaborative robots to support astronauts. The project is being led by the DLR Institute of Robotics and Mechatronics, in collaboration with the European Space Agency (ESA) and the German Space Operations Center.
    Credit: © DLR.

    The time delay between the ISS and Earth is usually less than one second.

    “That’s because my radio call comes from ISS first to White Sands in the USA,” explained German Space Agency astronaut Matthias Maurer, in a video from DLR. “From there it goes to Houston at NASA. From there it will be forwarded to Munich where our control center is in Oberpfaffenhofen.”

    Maurer added that the delay experienced is like what sometimes happens on a Skype call, which occasionally has delays in communications. And of course, the round-trip delay time might be close to 2 seconds, which is deficiently noticeable, especially during conversations.

    DLR said that future operations of robots and humans working together must be well planned out in order for them to work as a team. When building a habitat, for example, combining the different skills of several robots is very helpful.

    Successful collaboration between two intelligent robots: ESA’s Interact Rover and DLR’s Rollin’ Justin robot jointly installed a short pipe that reproduces a scientific measuring device. The task was coordinated by ESA astronaut Marcus Wandt, who was in control of the robot team in DLR’s Mars laboratory in Oberpfaffenhofen from on board the ISS.
    Credit: DLR.

    Wandt also tested out this concept and for the first time two robots worked together to accomplish a task: Rollin’ Justin and the Interact Rover jointly installed a short pipe representing a scientific measuring device. Under the command of Wandt, Rollin’ Justin used his dexterous hands to safely grasp the pipe and carefully guide it to the measuring point. Wandt then used the Interact rover’s remote control to install the pipe held in position by Justin.

    Robots have also been used in space on board the ISS. Robonaut is a joint DARPA–NASA project that created a humanoid torso robot to test out robotics in space. Additionally, three free-flying robots on the space station, known as Astrobees, support multiple demonstrations of technology for various types of robotic assistance on space exploration missions and on Earth.

    https://www.universetoday.com/ }

    02-02-2024 om 22:20 geschreven door peter  

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    Klik hier om een link te hebben waarmee u dit artikel later terug kunt lezen.A Super-Earth (and Possible Earth-Sized) Exoplanet Found in the Habitable Zone

    Artist depiction of the surface of a super-Earth orbiting a red dwarf.
    Credit: ESO/M. Kornmesser

    A Super-Earth (and Possible Earth-Sized) Exoplanet Found in the Habitable Zone

    Astronomers have found a new Super-Earth orbiting an M-dwarf (red dwarf) star about 137 light-years away. The planet is named TOI-715b, and it’s about 1.55 Earth’s radius and is inside the star’s habitable zone. There’s also another planetary candidate in the system. It’s Earth-sized, and if it’s confirmed, it will be the smallest habitable zone planet TESS has discovered so far.

    TOI-715 is an average red dwarf. It’s about one-quarter the mass and about one-quarter the radius of our Sun. TOI-715b is close to the star, and its tight orbit takes only 19 days to complete one trip around the dwarf star. Since red dwarfs are much dimmer than the Sun, this puts the Super-Earth in the star’s conservative habitable zone.

    New research published in the Monthly Notices of the Royal Astronomical Society presents the discovery. It’s titled “A 1.55 Earth-radius habitable-zone planet hosted by TOI-715, an M4 star near the ecliptic South Pole.” The lead author is Georgina Dransfield, from the School of Physics & Astronomy at the University of Birmingham.

    The habitable zone is a rather crude way to identify planets that may have liquid water. Its boundaries are unclear and even contradictory since stellar spectral type, planetary albedo, mass, and even how cloudy its atmosphere is can determine if a planet has liquid water.

    The idea of a conservative habitable zone (CHZ) is more helpful. It comes from a 2014 paper by Kopparapu et al. It’s a region around a star where a rocky planet receives between 0.42 and 0.842 as much solar insolation as Earth does. Any rocky planet receiving that much energy is in the CHZ, regardless of distance.

    The graphic shows optimistic and conservative habitable zone boundaries around cool, low-mass stars. The numbers indicate the names of known Kepler planet candidates. Yellow represents candidates with less than 1.4 times Earth-radius. Green represents planet candidates between 1.4  and 2 Earth radius. Note: the newly discovered planets are not shown. Credit: Penn State.
    The graphic shows optimistic and conservative habitable zone boundaries around cool, low-mass stars. The numbers indicate the names of known Kepler planet candidates. Yellow represents candidates with less than 1.4 times Earth-radius. Green represents planet candidates between 1.4 and 2 Earth radius. Note: the newly discovered planets are not shown.
    Credit: Penn State.

    Discovering a Super-Earth in a star’s CHZ is always exciting. It fuels our sense of wonder about other planets and the possibility that some may harbour other life. For that reason, they’re more intriguing than planets like Hot Jupiters for instance, which have zero possibility of hosting liquid water or life. Not even the hardiest extremophiles can survive a Hot Jupiter’s wicked environment.

    But this discovery is also exciting for a couple of other reasons.

    “At long last, the era of JWST has arrived, and with it, the age of detailed exoplanetary atmospheric characterization.”

    From “A 1.55 Earth-radius habitable-zone planet hosted by TOI-715, an M4 star near the ecliptic South Pole.”

    Now that we’ve discovered thousands of exoplanets, astronomers are seeing trends in the population. One of the things they noticed is a gap in the small planet population between 1.5 and 2 Earth radii. It’s known as the small planet radius gap or the sub-Neptune radius gap (also called the Fulton gap and the photoevaporation valley.) At 1.55 Earth radii, TOI-715b is inside the gap.

    A histogram of planets with given radii from a sample of 900 Kepler systems. The decreased occurrence rate between 1.5 and 2.0 Earth radii is apparent. It's sometimes called the Fulton Gap because is comes from Fulton et al. 2017. Image Credit: Fulton et al. 2017.
    A histogram of planets with given radii from a sample of 900 Kepler systems. The decreased occurrence rate between 1.5 and 2.0 Earth radii is apparent. It’s sometimes called the Fulton Gap because it comes from Fulton et al. 2017.
    Image Credit: Fulton et al. 2017.

    It’s extremely unlikely that no planets form in this radius gap. Planets must start out larger and lose mass to end up in the gap. So, the Fulton Gap tells us something about how some planets lose mass. Astronomers think that planets in the gap start out larger, but their stars strip away some of their mass by photoevaporation, shrinking them. That’s why it’s sometimes called the photoevaporation valley. There’s a lot of uncertainty around the valley and photoevaporation, and astronomers want to study planets in the valley to see what they can learn.

    “The importance of the radius valley lies in its potential to teach us about planetary formation and post-formation evolution, and hence, planets inside this gap are crucial in furthering our understanding of the factors that sculpt it,” the authors explain.

    There’s some uncertainty if this radius gap exists around M-dwarfs or not. It’s possible that M-dwarfs have a density gap rather than a radius gap. “A recent study by Luque & Pallé (2022), however, indicates that M-dwarf planets may have a density gap rather than a radius gap separating two populations of small planets (rocky and water worlds),” the authors write.

    Whether it’s a radius gap or a density gap, TOI-715b should have something to tell us about exoplanets, photoevaporation, and the nature of exoplanet distribution around red dwarfs. But to discover what it has to tell us requires further, detailed observations. That’s the second reason wh

    Ever since we started finding exoplanets, scientists have looked forward to the day when the James Webb Space Telescope is operational. “At long last, the era of JWST has arrived, and with it, the age of detailed exoplanetary atmospheric characterization,” the authors write in their paper. The JWST has the ability to observe the spectra of exoplanet atmospheres and determine their constituents. But even though the JWST is enormously powerful, some targets present better opportunities for transmission spectroscopy than others.

    The JWST hasn't studied TOI-715b yet, but it can measure an exoplanet's transit spectrum and its eclipse spectrum, as shown in this spectrum of the exoplanet WASP-80b. During a transit, the planet passes in front of the star, and in a transit spectrum, the presence of molecules makes the planet's atmosphere block more light at certain colours, causing a deeper dimming at those wavelengths. During an eclipse, the planet passes behind the star, and in this eclipse spectrum, molecules absorb some of the planet's emitted light at specific colours, leading to a smaller dip in brightness during the eclipse compared to a transit. Image Credit: BAERI/NASA/Taylor Bell.
    The JWST hasn’t studied TOI-715b yet, but it can measure an exoplanet’s transit spectrum and its eclipse spectrum, as shown in this spectrum of the exoplanet WASP-80b. During a transit, the planet passes in front of the star, and in a transit spectrum, the presence of molecules makes the planet’s atmosphere block more light at certain colours, causing a deeper dimming at those wavelengths. During an eclipse, the planet passes behind the star, and in this eclipse spectrum, molecules absorb some of the planet’s emitted light at specific colours, leading to a smaller dip in brightness during the eclipse compared to a transit.
    Image Credit: BAERI/NASA/Taylor Bell.

    TOI-715b is a prime target because it’s close to its star. Since TOI-715 is a small red dwarf, and the planet orbits it every 19 days, the exoplanet’s transits in front of its star are deeper and more frequent. That means the JWST doesn’t need much time to observe the planet’s atmosphere, making it an efficient use of the space telescope’s time. “In the context of atmospheric characterization by transmission spectroscopy, bright, nearby M dwarfs are ideal planetary hosts as small temperate planets will transit frequently, enabling high signal-to-noise detections of atmospheric features with fewer hours of telescope time,” the authors explain.

    This figure from the study shows the conservative habitable zone in blue. The y-axis shows the Transmission Spectroscopy Metric, a measure of how amenable a planet's atmosphere is to the JWST spectroscopic measurements. The x-axis shows stellar insolation. TOI-715b is shown in two instances: as a rocky world and as a water world. If it's a water world, it's more accessible to effective spectroscopy by the JWST. TOI-715's other planet candidate is shown in green. Other interesting exoplanets are also shown, including the TRAPPIST-1 planets in yellow. Image Credit: Dransfield et al. 2024.
    This figure from the study shows the conservative habitable zone in blue. The y-axis shows the Transmission Spectroscopy Metric, a measure of how amenable a planet’s atmosphere is to the JWST spectroscopic measurements. The x-axis shows stellar insolation. TOI-715b is shown in two instances: as a rocky world and as a water world. If it’s a water world, it’s more accessible to effective spectroscopy by the JWST. TOI-715’s other planet candidate is shown in green. Other interesting exoplanets are also shown, including the TRAPPIST-1 planets in yellow.
    Image Credit: Dransfield et al. 2024.

    Can this Super-Earth be habitable? Lacking the JWST’s spectroscopy, we’re reduced to speculating. It’s in the conservative habitable zone, but that doesn’t get us very far. Still, there are some hopeful signs.

    TOI-715 is a little older than our Sun at about 6.6 billion years old. The star shows a “low degree of magnetic activity,” according to the authors. That’s probably why the star shows an absence of flaring in the TESS light curves compared to younger M-dwarfs. Red dwarfs are known to exhibit extremely powerful flaring that can sterilize planets. They can also strip away atmospheres, which could be responsible for the exoplanet photoevaporation valley.

    This artist's illustration shows a red dwarf star emitting a powerful flare. Red dwarf flaring can limit the habitability of planets in their habitable zones. Credits: NASA's Goddard Space Flight Center
    This artist’s illustration shows a red dwarf star emitting a powerful flare. Red dwarf flaring can limit the habitability of planets in their habitable zones.
    Credits: NASA’s Goddard Space Flight Center

    Another planet may be orbiting TOI-715. It’s currently only a candidate named TIC 271971130.02, but if confirmed, it will be the smallest habitable zone planet TESS has ever found. But follow-up observations are needed to confirm it.

    The TOI-715 system is a compelling target for further study. TOI-715b is waiting its turn, but eventually, the JWST will examine its atmosphere. If those results support habitability, astronomers’ excitement will only grow. At the same time, we may learn more about the radius or density gap, an obstacle to a more thorough understanding of exoplanets.

    Add in the fact that the star may host another habitable zone planet, the smallest one found yet by TESS, and the TOI-715 system becomes even more important.

    https://www.universetoday.com/ }

    02-02-2024 om 22:10 geschreven door peter  

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    Klik hier om een link te hebben waarmee u dit artikel later terug kunt lezen.Is this another Chinese spy balloon moment? Famous 'cube in a sphere' UFO spotted at military bases along the East Coast may have been a high-tech ENEMY drone, says ex-Pentagon UFO investigator dubbed 'Dr. Evil'

    Is this another Chinese spy balloon moment? Famous 'cube in a sphere' UFO spotted at military bases along the East Coast may have been a high-tech ENEMY drone, says ex-Pentagon UFO investigator dubbed 'Dr. Evil'

    • The Pentagon's first ever UFO boss pointed to a Chinese-made 'spherical' drone in an uncut version of his new interview, made available to DailyMail.com 
    • Retired UFO chief Dr. Sean Kirkpatrick was called 'Dr. Evil' for his laser research 
    • READ MORE: UFO whistleblower held secret talk with 'Wall St. bigwigs' and CIA officials in Manhattan and claimed US was in possession of 40ft Tardis-like craft

    The Pentagon's former UFO chief has revealed his conclusion to one of the most famous UFO cases of the modern era: the Navy's baffling 'cube in a sphere' UFO was just a super high-tech drone.

    US Navy fighter pilots had reported seeing these other-worldly craft near the Atlantic coast between 2014 and 2015, which nearly tore the wing off an F/A-18 Super Hornet that was flying with the USS Roosevelt during one incident.

    Now Dr. Sean Kirkpatrick, the Pentagon's recently retired UFO chief, says that the objects were likely 'next generation,' 'spherical' drones that move 'very accurately.'

    While not confirmed, his description matches a drone-prototype made public by Chinese researchers in 2022 — a silver orb with eight thrusters configured at the tips of an internal cube, making it capable of unprecedented mid-air twists and turns.

    The case highlights why UFOs must be taken seriously and not be subject to ridicule, Kirkpatrick suggested. 

    The Pentagon's departing UFO chief, Dr. Sean Kirkpatrick, cited public 'next generation' drone research by academics in Singapore in an effort to explain the Navy's 'cube in a sphere' UFO sightings. Above a 'SpICED (Cube)' drone prototype published by Chinese researchers in 2022

    The Pentagon's departing UFO chief, Dr. Sean Kirkpatrick, cited public 'next generation' drone research by academics in Singapore in an effort to explain the Navy's 'cube in a sphere' UFO sightings. Above a 'SpICED (Cube)' drone prototype published by Chinese researchers in 2022

    In an op-ed published by Scientific American last week, Dr. Kirkpatrick dismissed US Air Force veteran David Grusch as one of several 'conspiracy-minded 'whistleblowers'' on UFOs. He emphasized that the Pentagon's UFO mission should be focused on US foreign adversaries

    In an op-ed published by Scientific American last week, Dr. Kirkpatrick dismissed US Air Force veteran David Grusch as one of several 'conspiracy-minded 'whistleblowers'' on UFOs. He emphasized that the Pentagon's UFO mission should be focused on US foreign adversaries

    Dr Kirkpatrick's new comments come ahead of the Pentagon's congressionally mandated 'Historical Record Report' on UFOs, due to lawmakers in June of 2024. 

    DailyMail.com was given an early draft transcript of Dr. Kirkpatrick's appearance on Fresh Produce Media's 'In the Room with Peter Bergen,' in which the physicist delved deeper into the national security risk that has come from stigmatizing eyewitness reports of UFOs.

    'That gap could potentially be exploited by somebody,' Dr. Kirkpatrick told Bergen, 'put a platform in [the] continental United States that nobody knew was there.'

    A longtime laser physicist, Dr. Kirkpatrick's government service took him to the Air Force Research Laboratory, the CIA and a position at America's highly secretive spy satellite agency the National Reconnaissance Office (NRO) before chasing UFOs.

    The physicist's Air Force colleagues once nicknamed him 'Dr. Evil' after the laser-obsessed villain in the Austin Powers series of spy film spoofs. 

    'One of my going away presents, as I was leaving the National Reconnaissance Office,' Dr. Kirkpatrick told CNN national security reporter Peter Bergen, 'was one of my close colleagues gave me a shark with a laser pointer strapped to its head.'

    Dr. Kirkpatrick headed up the Pentagon's then-brand new All-domain Anomaly Resolution Office (AARO) from July 2022 until the end of December 2023, leveraging his scientific expertise toward the tricky task of investigating military UFO cases.

    Last May, Dr. Kirkpatrick briefed NASA's UFO advisory panel that AARO had logged roughly 800 cases of flying, spherical 'metallic orb' UFOs.

    'This is a typical example of the thing that we see most of,' Dr. Kirkpatrick told the panel. 'We see these all over the world and we see these making very interesting apparent maneuvers.' 

    It's unclear just how similar these metallic orbs may be to the UFOs first brought to public attention by former Navy lieutenant and fighter pilot Ryan Graves, who described them to Congress as 'a dark gray or black cube inside of a clear sphere.'

    But Dr. Kirkpatrick told the podcast these otherworldly craft may very likely have been a foreign espionage platform.

    'There's a large number of people, pilots, others, who have said, 'Hey, I saw this giant sphere. It had a cube in it,'' he said, ''I don't understand it. It must be an alien.''

    Swiss-based drone maker Flyability has also been producing spherical 'gimbal' drones since at least 2015. Both Flyability and the Singapore-based makers of the SpICED drone cited collision safety as their reasoning for pursuing these aircraft's round designs - not airborne spying

    Swiss-based drone maker Flyability has also been producing spherical 'gimbal' drones since at least 2015. Both Flyability and the Singapore-based makers of the SpICED drone cited collision safety as their reasoning for pursuing these aircraft's round designs - not airborne spying 

    DailyMail.com has been given an early draft transcript of Dr. Kirkpatrick's appearance on the 'In the Room with Peter Bergen' podcast (above) in which the physicist discussed 'spherical' drones made by researchers in Singapore, comparing them to the US Navy's UFO sightings

    DailyMail.com has been given an early draft transcript of Dr. Kirkpatrick's appearance on the 'In the Room with Peter Bergen' podcast (above) in which the physicist discussed 'spherical' drones made by researchers in Singapore, comparing them to the US Navy's UFO sightings

    'Well, actually, no, there's a number of papers out,' Dr. Kirkpatrick continued in this early, uncut draft of his podcast interview with CNN analyst Peter Bergen.

    'The most recent one was from, University of Singapore, I believe, where the next generation of drones that are being built are spherical.'

    'They've taken about a two-meter size, inflatable, and they put a cube inside of it,' Dr. Kirkpatrick continued. 'And everywhere the corner of the cube touches the sphere, they've fused it, cut it out, and put little thrusters in.'

    READ MORE: 

    US Customs and Border Patrol, the agency responsible for keeping terrorists and weapons out of the country, uploaded 10 videos that appear to show craft moving in strange ways in our skies. The videos document a fighter jet pursued by an apparently baffling flying orb, as well as something that appears to be a propeller-powered hang-glider, and another apparent orb hovering near a parked 16-wheeler truck

    'So, now I have eight thrusters. And I can put cameras on it and anything else I want,' the ex-AARO chief told Bergen. 

    'With eight thrusters in a cube configuration, I can maneuver this drone around very accurately.' 

    Scientists with the Singapore University of Technology and Design (SUTD) in China did, in fact, prototype a spherical drone along these lines, dubbed the 'Spherical Indoor Coandă Effect Drone (SpICED)' in a September 2022 issue of the peer-reviewed journal Drones

    The research team in Singapore noted that their new prototype, which benefited from an internal propulsion system with eight nozzles in a cube configuration, showed a promising 40 percent reduction in 'trajectory control error' during their test flights. 

    The SUTD's 'cube in a sphere' drone prototype, they wrote, proved to be more swiftly and accurately maneuverable than their past internal 'tetrahedron' configuration.

    But the Chinese-made drone is not the only novel unmanned spherical craft in production: Swiss-based Flyability has been producing 'spherical' drones since at least 2015, when it won a $1 million competition in the United Arab Emirates.

    The makers of Flyability's 'gimbal' drone and the SpICED balloon drone both cited collision safety as their reasoning for pursuing these unmanned aircrafts' round designs — not high maneuverability for clandestine spying.  

    But they are not the only actors pursuing this kind of aerospace research, according to AARO's departing director. 

    'They've tried these all over the place,' Dr. Kirkpatrick said.

    'There are a number of advanced technologies that are being commercialized that people don't recognize,' he said. 'Why they go immediately to 'this is extraterrestrial' is another conversation.'

    While playing a 2022 military UFO video taken by an MQ-9 Reaper drone in the Mid East, AARO director Dr. Kirkpatrick told NASA's UFO advisory panel last May, 'We see these ['metallic orbs'] all over the world, and we see these making very interesting apparent maneuvers'

    While playing a 2022 military UFO video taken by an MQ-9 Reaper drone in the Mid East, AARO director Dr. Kirkpatrick told NASA's UFO advisory panel last May, 'We see these ['metallic orbs'] all over the world, and we see these making very interesting apparent maneuvers'

    Speaking to Bergen's podcast, Dr. Kirkpatrick emphasized that he sees more terrestrial, counter-intelligence and defense-oriented tasks as AARO's primary reason for being.

    'The office's mission is not to prove the existence of extraterrestrials,' he said.  

    'The office's mission is to minimize technical and intelligence surprise. That is the primary mission.'

    The laser physicist noted that last February's Chinese spy balloon drama, when multiple objects were tracked and shot down within US and Canadian airspace, could be attributed to AARO's work focusing on anomalous aerial activities.

    'Four major candidates' have been interviewed to replace Pentagon UFO boss, Dr. Sean Kirkpatrick (above), an anonymous source told DailyMail.com, following heated public sparring between the former CIA physicist and UFO whistleblowers, who 'never did trust Sean,' according to one UFO whistleblower's attorney Daniel Sheehan

    'Four major candidates' have been interviewed to replace Pentagon UFO boss, Dr. Sean Kirkpatrick (above), an anonymous source told DailyMail.com, following heated public sparring between the former CIA physicist and UFO whistleblowers, who 'never did trust Sean,' according to one UFO whistleblower's attorney Daniel Sheehan  

    For years, national security reporters have speculated that the Navy's 'cube in a sphere' UFOs might be related to a 1949 patent for an 'airborne radar reflector' (schematic above) filed with the US Patent and Trade Office by Washington DC resident Leon Chromak

    For years, national security reporters have speculated that the Navy's 'cube in a sphere' UFOs might be related to a 1949 patent for an 'airborne radar reflector' (schematic above) filed with the US Patent and Trade Office by Washington DC resident Leon Chromak

    In the past, Dr. Kirkpatrick said, 'in the long list of things that they need to be paying attention to, this one was at the bottom of that list.' 

    'So, there is a gap — and no one fully, I think, appreciated until the last few years that that gap could potentially be exploited by somebody,' he explained, 'put a platform in, you know, [the] continental United States that nobody knew was there.' 

    But Dr. Kirkpatrick's terrestrial approach during his 18-month tenure at AARO has not been without its critics — particularly over his very public disagreements with UFO whistleblower and fellow NRO veteran David Grusch. 

    Dr. Kirkpatrick expanded his own criticisms of Grusch in his new interview with Bergen, describing him as someone who had 'fallen to the influence' of UFO 'True Believers' within the US military and private defense contractor Bigelow Aerospace, which investigated UFO cases on contract for the Pentagon from 2007 to 2012.

    In a new op-ed published by Scientific American last week, Dr. Kirkpatrick further dismissed Grusch as one of several 'conspiracy-minded 'whistleblowers.'' 

    Grusch, a former high-ranking US intelligence official, has accused the US military and its private contractors of illegally hiding evidence of crashed UFOsrecovered 'beings,' and even UFO-related deaths, both under oath to Congress and in the press. 

    For their part, these same UFO whistleblowers have accused Dr. Kirkpatrick of fostering an 'atmosphere of disinterest,' while others have suggested his superiors are secretly holding back AARO's UFO investigation efforts

    Daniel Sheehan, the Harvard-trained lawyer who represented UFO whistleblower Luis Elizondo in his complaint to the Pentagon's Inspector General, said last year to DailyMail.com, 'really knowledgeable' UFO whistleblowers 'never did trust Sean.' 

    Instead, 'what they were doing is they were going straight through to the Senate Intelligence Committee,' Sheehan said. 

    (To be sure, however, some military UFO witnesses have also described 'really positive' experiences with the Dr. Kirkpatrick's office.)

    Scientists with the Singapore University of Technology and Design (SUTD) in China, published their prototype spherical drone (above) in a Sept. 2022 issue of the journal Drones. The cube configuration, they wrote, showed a 40 percent reduction in 'trajectory control error'

    Scientists with the Singapore University of Technology and Design (SUTD) in China, published their prototype spherical drone (above) in a Sept. 2022 issue of the journal Drones. The cube configuration, they wrote, showed a 40 percent reduction in 'trajectory control error'

    Swiss-based Flyability entered their own spherical drone (above) into a contest launched by the the Prime Minister¿s Office of the United Arab Emirates (UAE)The UAE competition was billed as the 'World Cup of Drones,' with over 800 submitted entries from 57 countries

    Swiss-based Flyability entered their own spherical drone (above) into a contest launched by the Prime Minister's Office of the United Arab Emirates (UAE). The UAE competition was billed as the 'World Cup of Drones,' with over 800 submitted entries from 57 countries

    Flyability won $1 million in the UAE's 'Drones for Good' competition in 2015 for their 'gimbal'

    Flyability won $1 million in the UAE's 'Drones for Good' competition in 2015 for their 'gimbal'

    In portions of Dr. Kirkpatrick's new podcast interview, which appear to have been cut before air, the retired government scientist commented that AARO's benefit to the US Intelligence Community (IC) was its latitude to conduct domestic surveillance 'We filled a gap,' he said

    In portions of Dr. Kirkpatrick's new podcast interview, which appear to have been cut before air, the retired government scientist commented that AARO's benefit to the US Intelligence Community (IC) was its latitude to conduct domestic surveillance 'We filled a gap,' he said

    In portions of Dr. Kirkpatrick's podcast interview — which appear to have been cut before air — the retired government scientist commented that AARO's benefit to the US Intelligence Community (IC) was its latitude to conduct domestic surveillance.  

    'We filled a gap,' Dr. Kirkpatrick said. 'The intelligence community is prohibited by law from observing [the] continental United States, right?' 

    'And so, the only people that actually have authority to do that, really, are FBI, Homeland Security, [and] a few other counter-intelligence elements across the IC,' he noted, 'but that's pretty much it.'

    'No one fully, I think, appreciated until the last few years that that gap could potentially be exploited by somebody [...] And that's where you ended up with Chinese balloons,' he said. 

    When DailyMail.com reached out to Peter Bergen and a spokesperson for his podcast, the spokesperson noted that, based on conversations with the 'In the Room' team, 'those excerpts were cut for time.' 

    'Episodes generally don't go over 45 minutes,' they said.

    https://www.dailymail.co.uk/ }

    02-02-2024 om 20:38 geschreven door peter  

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    Categorie:UFOs , UAPs , USOS
    Klik hier om een link te hebben waarmee u dit artikel later terug kunt lezen.Spectaculaire beelden: James Webb fotografeert de armen van 19 spiraalstelsels - PART I

    Spectaculaire beelden: James Webb fotografeert de armen van 19 spiraalstelsels - PART I

    Ieder mens is anders en dat geldt ook voor spiraalstelsels. De James Webb-ruimtetelescoop richtte zijn blik op negentien spiraalstelsels en trof verschillende structuren aan.

    Op de foto’s zie je waar sterren, gas en stof zich bevinden in deze sterrenstelsels. De infraroodbeelden helpen wetenschappers om meer te weten te komen over spiraalstelsels. Zo kunnen computersimulaties verbeterd worden om zo meer inzicht te krijgen in de vorming en de evolutie van spiraalstelsels. En dat is handig, want ook ons eigen moederstelsel – de Melkweg – is namelijk een spiraalstelsel met een centrale balk.

    IC 5332 op 30 miljoen lichtjaar van de aarde.
    NGC 628 op 32 miljoen lichtjaar van de aarde.

    Dankzij de NIRCam zijn miljoenen sterren gefotografeerd in deze negentien spiraalstelsels. Je kunt deze sterren herkennen als blauwe stipjes. Zie je heldere verdikkingen? Dit zijn sterrengroepen. Het MIRI-instrument van James Webb is gebruikt om het gloeiende stof tussen sterren in kaart te brengen. Dit instrument kan ook protosterren zien. Dit zijn sterren die nog niet volledig zijn gevormd en zich schuilhouden in cocons van stof. Verder zien astronomen grote, ronde schillen van gas. Deze zijn mogelijk ontstaan door geëxplodeerde sterren, oftewel door supernova’s.

    Astronomen denken dat sterrenstelsels van binnenuit groeien. De eerste sterren ontstaan nabij het centrum en daarna spreidt stervorming naar buiten. Des te verder een ster is verwijderd van het centrum, des te groter is de kans dat het een jonge ster is. Op de foto’s zie je veel blauwe stippen nabij de centra van de sterrenstelsels, maar dit zijn oude sterren.

    NGC 1087 op 82 miljoen lichtjaar van de aarde. In het centrum is een lijn zichtbaar. Verder zijn er geen duidelijke spiraalarmen herkenbaar.
    NGC 1300 (69 miljoen lichtjaar afstand) heeft een helder rond centrum met een balk. Aan de uiteinden van de balk beginnen de spiraalarmen, die een omgekeerde letter S vormen.

    Hierboven waren al vier sterrenstelsels zichtbaar. Hieronder volgen de overige vijftien foto’s. Klik op de foto’s om een grotere versie te downloaden, bijvoorbeeld als achtergrond op je telefoon.

    NGC 1365 (56 miljoen lichtjaar van de aarde) is ook een spiraalstelsel met een omgekeerde S-structuur. Het centrum is ovaalvormig.
    NGC 1385 op 30 miljoen lichtjaar van de aarde is een rommelig balkspiraalstelsel in het sterrenbeeld Oven. Vergelijk deze foto maar eens met deze compositiefoto van NGC 1385.
    NGC 1433 (46 miljoen lichtjaar) is een balkspiraalstelsel met een duidelijk centraal gebied.
    Balkspiraalstelsel NGC 1512 (30 miljoen lichtjaar afstand) heeft een dubbele ring: een centrale ring en een buitenste ring gevormd door de spiraalarmen.

    02-02-2024 om 20:16 geschreven door peter  

    0 1 2 3 4 5 - Gemiddelde waardering: 0/5 - (0 Stemmen)
    Categorie:ASTRONOMIE / RUIMTEVAART
    Klik hier om een link te hebben waarmee u dit artikel later terug kunt lezen.Spectaculaire beelden: James Webb fotografeert de armen van 19 spiraalstelsels - PART II

    Spectaculaire beelden: James Webb fotografeert de armen van 19 spiraalstelsels - PART II

    Ieder mens is anders en dat geldt ook voor spiraalstelsels. De James Webb-ruimtetelescoop richtte zijn blik op negentien spiraalstelsels en trof verschillende structuren aan.

    Op de foto’s zie je waar sterren, gas en stof zich bevinden in deze sterrenstelsels. De infraroodbeelden helpen wetenschappers om meer te weten te komen over spiraalstelsels. Zo kunnen computersimulaties verbeterd worden om zo meer inzicht te krijgen in de vorming en de evolutie van spiraalstelsels. En dat is handig, want ook ons eigen moederstelsel – de Melkweg – is namelijk een spiraalstelsel met een centrale balk.

    De twee spiraalarmen van NGC 1566 (60 miljoen lichtjaar) zijn duidelijk te herkennen op deze foto en draaien tegen de klok in om het centrum.

      NGC 1672 op 60 miljoen lichtjaar van de aarde.

    NGC 2835 (35 miljoen lichtjaar) is een sterrenstelsel bomvol sterren, gas en stof. Als je goed kijkt, kun je de spiraalarmen ontdekken. Deze draaien tegen de klok in.
    NGC 3351 (33 miljoen lichtjaar) is een balkspiraalstelsel. De armen draaien met de klok mee.
    NGC 3627 (36 miljoen lichtjaar) heeft een helder blauw centrum. Ook in de balk wemelt het van de sterren. De spiraalarmen zijn duidelijk te herkennen links en rechts van het centrum.
    NGC 4254 is 50 miljoen lichtjaar van de aarde verwijderd en maakt onderdeel uit van het Virgocluster.
    Dit is NGC 4303 op 55 miljoen lichtjaar van onze planeet.
    Het centrum van NGC 4321 (56 miljoen lichtjaar) bevindt zich aan de rechterkant van de foto. In de spiraalarmen zijn veel ronde structuren zichtbaar: veroorzaakt door supernova’s?
    De balk van NGC 4535 (50 miljoen lichtjaar) heeft een blauwe gloed. Hier bevinden zich ontelbaar veel sterren.
    NGC 5068 (20 miljoen lichtjaar) is een warrig spiraalstelsel. De balk is herkenbaar aan de blauwe gloed (links van het centrum), maar de spiraalstructuur is moeilijker waar te nemen
    Tenslotte het nabije spiraalstelsel NGC 7496: 24 miljoen lichtjaar bij ons vandaan.

    Bronmateriaal

    https://scientias.nl/ }

    02-02-2024 om 20:11 geschreven door peter  

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    Categorie:ASTRONOMIE / RUIMTEVAART
    Klik hier om een link te hebben waarmee u dit artikel later terug kunt lezen.Unveiling Our Cosmic Legacy: The Panspermia Hypothesis

    Unveiling Our Cosmic Legacy: The Panspermia Hypothesis

    We Are the Aliens

    In the grand tapestry of the cosmos, the origins of life on Earth have been a subject of endless fascination and inquiry. Among the myriad theories proposed by scientists and thinkers alike, one stands out with its bold assertion that we, the inhabitants of Earth, might not be solely of this world. This theory, known as panspermia, suggests that life’s seeds were not sown on the fertile grounds of Earth from scratch but were instead delivered from the vast reaches of space.

    The Journey from the Stars

    Panspermia posits that microscopic life forms, capable of surviving the harsh conditions of space, journeyed across the interstellar void, hitching rides on comets, asteroids, or meteorites, to find a new home on Earth. This journey, spanning possibly millions of years, could explain how life began on our planet. The theory challenges the traditional notion of abiogenesis, which argues that life arose independently on Earth through natural processes.

    Microbial Astronauts: Evidence and Implications

    Evidence supporting panspermia comes from the study of extremophiles—organisms that thrive in conditions previously thought to be uninhabitable. These resilient beings survive extreme temperatures, radiation, and vacuum, hinting at a possible extraterrestrial origin. Moreover, discoveries of organic molecules in comets and meteorites add credence to the idea that the building blocks of life could indeed travel across the cosmos.

    VIDEO:

    • The Why Files – We Are the Aliens | Life’s Interstellar Journey to Earth: Panspermia

    The panspermia hypothesis also gains support from the analysis of ancient rocks on Earth that contain isotopic signatures and biogenic carbon, suggesting that life might have appeared on Earth much earlier than previously thought, possibly during the Hadean or Archean eons. These findings challenge the timeline of life’s emergence and open the door to the possibility that Earth’s first life forms were alien stowaways.

    Directed Panspermia: A Galactic Gardening?

    Taking the concept a step further, some propose the theory of directed panspermia, which suggests that life on Earth was not a mere accident but a deliberate act by an advanced extraterrestrial civilization. This controversial idea implies that these cosmic gardeners seeded Earth with life for reasons unknown, perhaps as part of a galactic experiment or as a way to ensure the propagation of life throughout the universe.

    Unraveling Our Origins

    The implications of panspermia are profound, challenging our understanding of life’s origins and our place in the universe. If life on Earth indeed has extraterrestrial roots, it would suggest that the universe is teeming with life, much of it possibly sharing a common ancestry with us. It raises philosophical questions about the nature of life itself and the interconnectedness of all living beings across the cosmic expanse.

    The Search Continues

    While panspermia remains a hypothesis, the search for evidence continues. Space missions like the study of asteroids, comets, and the Martian surface aim to uncover more clues about the organic compounds present in our solar system. As our technological capabilities grow, so does our ability to probe deeper into the mysteries of life’s origins.

    The panspermia hypothesis offers a tantalizing glimpse into our cosmic legacy, suggesting that we may indeed be aliens, our lineage tracing back to the stars. As we continue to explore the vastness of space and the depths of our own planet, we inch closer to understanding the true origins of life on Earth. Whether we find definitive proof of panspermia or not, the journey of discovery will undoubtedly shed light on the intricate and wondrous nature of life itself.

    https://www.latest-ufo-sightings.net/ }

    02-02-2024 om 17:41 geschreven door peter  

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    Categorie:LATEST ( UFO ) VIDEO NEWS ( ENG)
    Klik hier om een link te hebben waarmee u dit artikel later terug kunt lezen.Arizona Man Filmed Huge Solid UFO In Phoenix Lights: MIB Took Video & Man Vanished

    Phoenix Lights UFO

    Arizona Man Filmed Huge Solid UFO In Phoenix Lights: MIB Took Video & Man Vanished

    On the night of March 13, 1997, the people of the United States witnessed one of the largest and best-known UFO sightings in history. The UAP phenomenon was observed in the skies over the southwestern states of Arizona and Nevada and the Mexican state of Sonora. According to a Rocky Mountain Poll conducted at the time, as well as the commotion that ensued, around 10% of Arizonans claimed to have witnessed the incident that is now known as “The Phoenix Lights.”

    One of the eyewitnesses named Richard Curtis from Arizona, claiming to have solid evidence of the incident, contacted local Councilwoman Frances Barwood. He vanished following an encounter with MIB and a media revelation.

    Frances Barwood, a member of the city council, opened an investigation into the incident. Since the military and local authorities had already managed to claim that the lights seen by the eyewitnesses were only flares, her coworkers thought her behavior was ludicrous.

    Barwood received a call from Richard Curtis a few months later. He said right away that he had extremely detailed footage of the Phoenix Lights despite being an injured former soldier. He claimed that had personally captured them using high-quality equipment.

    “He said you could see the shape. He said you could see how big it was in comparison to the surrounding buildings and everything. He described that the lights were gaseous. He was so excited that he had gotten all this on video,” Barwood recalled him telling her. Additionally, Curtis admitted to Barwood that he had no idea who else to call and that he trusted her.

    Phoenix Lights UFO
    A drawing of the object created by witness Tim Ley appeared in USA Today.
    Credit: Wikimedia Commons

    Since the majority of the Phoenix Lights video footage up until this point had been merely specks of light on a dark background, Barwood was intrigued by this message. Curtis agreed to provide copies of the footage to Barwood’s office after she urged him to do so. However, days passed, and she did not receive films either by mail or by courier. “I thought he made this up. He didn’t have video, you know, all this stuff,” she said.

    A week later, Curtis telephoned Barwood at her house and inquired about her thoughts on the films. Barwood informed him that she had not received them and expressed her amazement. Curtis continued by telling her that following their phone call, two men from her workplace stopped up at his home. The two “similar-looking” individuals were fully covered in black (three-piece black suits, black shoes, black hats, black suitcases, etc.). The men were not dressed in jackets or other gear, even though it was fairly chilly outside. It struck Curtis as weird.

    Phoenix Lights UFO
    Richard Curtis

    He asked the men if they were from Barwood’s office and they confirmed it. Then they inquired about the Phoenix Lights videos, specifically to find out if Curtis had copied them. They responded that they would make copies for him themselves when he said he had not been able to. Curtis then handed them his videos and the two men left his house in a black sedan.

    Barwood informed Curtis that she had no men in her office and that all of her staff were female. “I had no idea who these guys were. It sounds so bizarre. Nothing made sense to me,” Barwood recalled thinking. All of this infuriated Richard Curtis, who concluded that the authorities had misled him. In an interview with Phoenix TV, he discussed everything that had happened, including the “Men in Black” visit and that they took his videos.

    Read also:

    And shortly after that, when Barwood tried to call Curtis, she discovered that he was not answering. When she got to his apartment, he was not there, but the neighbors informed her that Curtis had supposedly taken a faulty medication and had been transported by ambulance to the hospital. There were no records of Curtis ever being admitted to any Phoenix-area hospitals when Barwood started looking for him there.

    Barwood made the decision to have her phone lines checked by a professional when she questioned how the odd men even knew about the tapes. He visited her house and conducted his tests there. After that, he went outdoors. “He wouldn’t come back in the house. He came to the backdoor and said, “No, I’m not coming in. Yes, your phone is tapped, it’s a government tap,” she said.

    Phoenix Lights UFO sighting
    Phoenix city councilwoman Frances Emma Barwood sits in her north Phoenix home with a copy of The Arizona Republic which touts “UFO Mania” on its front page June 20, 1997. Barwood didn’t see the lights, but many people called her about them demanding an explanation.
    (AP Photo/Scott Troyanos, File)

    Since the military and authorities insisted that the Phoenix Lights were nothing more than flares, Barwood was astounded to learn that someone in the US government had tapped her phones. Richard Curtis vanished without a trace.

    It became a worldwide sensation throughout the course of the subsequent months. It was “the second biggest case in UFOlogy after Roswell,” according to the late Art Bell, host of the syndicated paranormal radio program Coast to Coast AM.

    The bizarre light show, according to skeptics, was caused by man-made aircraft from Glendale’s Luke Air Force Base or other neighboring military installations conducting training drills. The Phoenix Lights, according to UFOlogists, were not of this world.

    Below you can find a transcript from a FOX10 NEWS (Phoenix Lights) reported by Jim Schnabel: (Source)

    Voiceover: Months after this (March 13) sighting there are many questions regarding the strange lights over Phoenix. Is this a solid craft, or merely lights in an empty sky? What could be the conclusive evidence is now mysteriously missing. Richard Curtis claims his home video is proof that this sighting was a huge flying craft. And he claims his video shows a solid object in the sky passing over his home.

    Curtis: I saw the bottom part (of the craft) as it went over Phoenix, because the lights lit the bottom of it, and it partially blocked out the clouds and the stars. : voiceover: Curtis called city councilwoman Frances Emma Barwood, wanting to show her the footage. : (on screen: cut to a headshot of Barwood)

    Barwood: He said he had it on two videotapes, and would I like them, so I said, “Of course I would.”, and could he give me copies of them. He said he would. I told him how to get them to my office and to mark them ‘personal and confidential’.

    Voiceover: But before Curtis could send copies to Barwood, he’s paid a visit by two mysterious men in black. : Curtis:(voiced over MIB reenactments) They were dressed in black suits, with black hats and sunglasses. They asked me if I had tapes for councilwoman Barwood, and I said “Yah, they’re laying right here”. They said, “We’ve stopped by to pick them up.” So I said, “Great!” and just handed (the original tapes) to them.

    Barwood: I didn’t get them, and I have no idea who these two men were since I have just females working in my office. It’s absolutely puzzling to me.

    Voiceover: Did the tapes ever exist, and if so were they proof of more than “lights” in the sky? And who were these mysterious Men in Black who allegedly took them?

    Curtis (voiced over): I think someone listened in on that phone call and wanted those tapes.

    Barwood (voiced over): I can’t explain it. It’s just eerie. Voiceover: The mystery continues.

    Source:

    https://www.howandwhys.com/ }

    02-02-2024 om 00:46 geschreven door peter  

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    Categorie:UFOs , UAPs , USOS
    01-02-2024
    Klik hier om een link te hebben waarmee u dit artikel later terug kunt lezen.THESE ARE THE TOP FOUR THEORIES THAT COULD BRING US CLOSER TO FASTER-THAN-LIGHT TRAVEL

    (Image: OpenAI/Dall-e)

    THESE ARE THE TOP FOUR THEORIES THAT COULD BRING US CLOSER TO FASTER-THAN-LIGHT TRAVEL

    Since Captain Kirk first ordered the Starship Enterprise to engage the warp drive back in 1967, fans of science fiction have dreamed of traveling to the stars at warp speed. That idea remained in the realm of science fiction until 1994, when Mexican mathematician Miguel Alcubierre proposed a mathematically viable solution for building a real-world faster-than-light warp drive.

    Since then, numerous scientists and engineers have taken a swing at their own version of a viable, real-world warp drive, including an attempt to patent one of these “out there” ideas.

    Here, The Debrief looks at three of the past most promising warp drive models, along with one brand new physics concept called the “Tri-Space Model,” which may hold the key to making faster-than-light travel possible.

    THE ORIGINAL: ALCUBIERRE/WHITE WARP DRIVE

    While Alcubierre’s warp drive concept showed that traveling faster than light was mathematically possible, it was widely criticized for its massive power requirements and use of purely theoretical “exotic matter.” Still, many scientists and engineers were intrigued by his work, including former NASA engineer and physicist Dr. Harold G. “Sonny” White.

    Hoping to move Alcubierre’s metric from theory into a published, canonical form, White first looked at the idea more closely in 2003.

    “I started working in the (NASA) space program in 2000,” White told The Debrief in an interview. “While I was working in the space program, I was thinking about this Advanced Power propulsion. I was thinking about this Alcubierre Warp metric. You know, it was not published in its canonical form. And so, in 2003, I published a paper in the journal General Relativity and Gravitation.”

    White immediately noted how Alcubierre’s math worked but also spotted areas he thought his own background in engineering and physics could improve the concept.

    “Some things didn’t quite make sense to me, but by putting it into canonical form, helped me figure out ‘how does this concept really work?’, White told The Debrief. “From the process of not being at warp to being at warp… what would that look like when you look at the mathematics? And the only way I could see to answer the question is to put it in the canonical form in 2003, so that’s what I talked about in that paper.”

    Warp Bubble Theoretical

    Theoretical Warp Bubble Structure

    (Image Credit LSI)

    Years later, White was asked by NASA to present his updated warp concept, leading to his 2011 paper and the warp drive concept now known as the “Acubierre/White Warp Drive.”

    “I got asked to give a talk [about the warp drive] to DARPA and NASA at the DARPA 100-year Starship Symposium in 2011,” he told The Debrief. “I did a sensitivity study on the metric. I looked at what happens when you change the parameters and the mathematics.”

    Specifically, White looked at the geometry of the classic warp drive model and found something that dramatically reduced the amount of energy required by Alcubierre.

    “It basically comes down to how thick you make the toroidal ring and negative vacuum energy density,” he explained. “How thick or thin to make it, topologically? What does that do to the overall energy required? And so, during that work, I had no ‘objective’ objectives, per se, other than just to explore. In the process of doing that, I discovered that by making that ring a little thicker, instead of being like a wedding band wrapped around your finger, it’s a little bit more like a lifesaver, was key.”

    In fact, White’s geometric adjustment to the classic model dramatically reduced the amount of exotic matter required to a much more manageable concept.

    “By using that optimization technique, I was able to reduce the amount of exotic matter from a Jupiter-sized amount down to something about the size of the Voyager spacecraft,” said White. “So about two metric tons or just under two metric tons.”

    As White notes, even a few tons of a theoretical substance like exotic matter is still unachievable by today’s scientists and engineers, but his changes definitely improved the ultimate viability of Alcubierre’s idea.

    “Instead of just being mathematically possible in our work, we potentially move it into the category of maybe it’s plausible,” he noted with a lighthearted shrug. “There are now two metric tons of this stuff we’re not quite sure exactly how to make.”

    White’s views about the feasibility of warp drives and their related effects have garnered a fair amount of attention from critics over the years. Among them is astrophysicist Ethan Siegel who, while remaining skeptical of White’s claims, has noted that the warp drive concept “remains an interesting possibility and one worthy of continued scientific investigation, but one that you should remain tremendously skeptical about given the current state of affairs.”

    THE LENTZ DRIVE

    A decade after White updated the original warp drive concept, reducing the need for exotic matter down from a Jupiter-sized amount to a few tons, another scientist named Dr. Eric W. Lentz decided to take a stab at his own warp drive concept. Published in 2021, his paper “Breaking the warp barrier: hyper-fast solitons in Einstein–Maxwell-plasma theory” lays out a whole new warp drive concept. And unlike Alcubierre and White, Lentz believed that his faster-than-light warp drive model could be accomplished in a completely new and different way.

    “The Alcubierre solution provided an intuitive picture of what a warp drive would do: contract the space immediately in front of the central region containing the ship or transport, and expand the space immediately behind,” Dr. Lentz explained in an email to The Debrief. “This gives us the picture of the warp drive as a wave of curvature on which a ship will ride to its destination.”

    However, Lentz explains, “this picture is not an essential feature of a warp drive.” Instead, he says, a solution proposed by physicist Jose Natario back in 2002 showed that the expansion and contraction weren’t necessary to transport the ship forward. That work, says Lentz, was critical to forming his own theory, one where a warp field could be created using only traditional matter and not exotic matter.

    “[Natario] showed that the expansion could be trivial (zero) everywhere and still perform the same task of transporting a ship,” Lentz told The Debrief. This is a significant breakthrough, he says, because it means that exotic matter that warps the space in front of the theoretical passenger, as well as behind them (as depicted in nearly all theoretical warp drive solutions), is no longer needed to achieve faster-than-light travel.

    faster-than-light

    Could dark matter allow physicists a path toward overcoming the challenges of faster-than-light travel?

    (Credit: ESO)

    “In the Alcubierre solution, the energy density and curvatures are maximally separated, with the energy being restricted to a small torus between the regions of high contraction and expansion,” Lentz told The Debrief, once again evoking the classic image of the Alcubierre Warp model. “The curvatures and sources in my proposal are instead highly correlated, with the regions of high energy density and high expansion and contraction overlapping almost exactly.”

    As his published paper explains, “This is the first example of hyper-fast solitons resulting from known and familiar sources, reopening the discussion of superluminal mechanisms rooted in conventional physics.”

    Lentz does freely admit that his theory is somewhat novel, even in this highly theoretical arena. “The expansion factor in my proposal is stranger still [than in Natario or Alcubierre], having regions of large expansion and contraction of space surrounding the central region containing a ship.”

    Still, the issue of power requirements is not totally solved by Lentz, although he told The Debrief there is some hope in this area.

    “There are a number of very effective energy-saving mechanisms for the Alcubierre drive described in the literature,” he explained. “The challenge would be to either modify these mechanisms to operate using only conventional sources, [like his proposed theory which does not require exotic matter] or to innovate novel energy saving techniques.”

    In other words, if these proposed energy reduction techniques don’t work on his drive concept due to the lack of exotic matter, a legitimate concern, then an entirely new solution, the likes of which has not yet been proposed, would need to be found. Fortunately, Lentz says, his drive already accomplishes some of that goal since “not all the energy needs to come directly from the reactor, as we expect much of the energy sourcing the bubble to come from the particles’ rest masses.”

    Those particles, known in physics as solitons, are at the heart of the Lentz solution to faster-than-light travel and, aside from any theoretical attempts to further reduce energy needs, are something he believes represents the most viable area for future, practical testing. Lentz told The Debrief he sees a handful of reasonable goals going forward, including zeroing in on a viable energy level for a real-world, testable drive concept using only current power generation technology.

    “After the energy requirements are low enough and suitable means of creating such solitons has been found, I would want to have the existence of such solitons confirmed in a laboratory setting for a small (~1m radius), slow (~km/s speed), but detectable soliton,” he said. “The target energy level is where a bubble of radius ten meters moving at 1% of the speed of light could be powered by a modern-day fission reactor.”

    Although he is obviously enthusiastic about his novel solution to faster-than-light travel without exotic matter, Lentz also told The Debrief he is excited about all of the new, innovative concepts being discussed.

    “It has been exciting to see how much progress has been made in this field recently,” he said, “and I think there are many more advances ready to be made. I am looking forward to seeing what the next few years bring.”

    APPLIED PHYSICS WARP CONCEPT

    Sometimes slower is better, especially when you want to avoid using “exotic matter” to make your theory work. Enter the Applied Physics (APL) Group. Their designs were recently published in the peer-reviewed journal Classical and Quantum Gravity and represent the latest in an increasingly crowded field of warp proposals.

    Unlike the Alcubierre and White designs, the APL team shuns exotic matter as a power source. However, sacrifices need to be made. The physical nature of APL’s design means it is constrained by Newtonian physics. In short, while their drive concept is indeed designed to transport humans across the galaxy, it is not capable of breaking the speed of light. Damn.

    “There is a common misconception that interstellar travel has to be superluminal,” Gianni Martire told The Debrief last year, “it doesn’t. If we can send a probe to reach another star within ten years, it is still incredibly useful.”

    And while Sci-fi fans have the itch to go fast, APL’s warp drive doesn’t have the same energy requirements and, therefore, radiation, which tends to be a massive problem in building a crewed warp-capable vessel. Basically, no one gets cooked to death when they hit Warp Factor 1.

    “Before our paper,” Martire says, “saying such things [like warp] was nonsense sci-fi. Now it’s real science. We took a small step into the future, do you feel it?” 

    THE TRI-SPACE MODEL

    It all began in college when a young science fiction buff, future engineer, and Senior Project Leader for The Aerospace Corporation, Gregory Meholic, stumbled upon a curious little pamphlet made by the RAND Corporation.

    • neural network

    “It was on Tachyon particles and their potential for faster-than-light travel and motion,” Meholic explained to The Debrief. “And I mean, lots of science fiction uses tachyons as the go-to faster-than-light widget, right?”

    That RAND pamphlet was an exploratory work in speculative physics written by Lt. Col. Edward Puscher for the United States Air Force in 1980. It explores the theory regarding a theoretical particle called a tachyon that may exist in a permanent faster-than-light state. 

    “Basically, it was an algebraic solution to the general and special relativity equations that govern motion near the speed of light,” Meholic explained. 

    A big kick in the FTL pants for any science fiction fan is Einstien’s Theory of Relativity. The closer you get to light speed, the more your mass increases. As you near the 300,000 kilometers per second mark (the speed of light), you require an infinite amount of energy to hit light speed. 

    “And this pamphlet basically was trying to show that, first, Tachyons can theoretically exist in a super-liminal realm,” says Meholic. “And second, it provided the logical algebraic follow-outs of special and general relativity to show their characteristics.”

    faster-than-light

    Artist’s concept depicting faster-than-light travel
    (public domain).

    After Meholic read the pamphlet, it tweaked his imagination. 

    “What occurred to me in reading this was that three possible velocities could be associated with any given point in space: sub-light, light speed, and superluminal travel,” he explained.

    So, in a nutshell, Meholic’s Tri-Space Theory breaks up reality into three “realms” that coexist at any point in spacetime. The sub-light realm is everything that moves slower than the speed of light, like your old Honda Accord or that barista at your regular coffee shop. The light-speed realm is the world of the massless photon zipping around at the 300,000 kps speed limit. And then there is the superliminal realm where things like tachyons dwell. Once you go beyond the math curve that brings you to light speed, the math doubles back.

    “So when I started to think about this ‘other side of the curve,’ so to speak, what happens in this superluminal realm is really interesting because when you take energy away from the system, you go faster,” says Meholic.

    In our realm, sub-light, the more energy you put into travel, the faster you go. In the superliminal realm, beyond the algebraic curve, as Meholic says, the more energy you put into travel, the slower you go, eventually bumping into the crawling 300,000 kps limit, but from the topside. To slow down to the speed of light, a superliminal object would require an infinite amount of energy; almost like a backward theory of relativity.  

    “And this implies that the rest mass becomes imaginary, which is the whole square root negative one thing…And so, as long as you’re moving faster than light speed, this particular algebraic solution says that tachyon particles could have a real positive mass traveling at these superluminal speeds,” Meholic postulates.

    And for science fiction fans who need their ship to get from Earth to Wolf 359 in a hurry, the idea that something can have mass and achieve faster-than-light travel solves the whole cosmic speed limit issue. The Tri-Space Model doesn’t violate the rules because the superliminal object exists outside the sub-light and light-speed realms. No causality issues. No weird time dilations. No accidental time travel. No infinite mass problems. Just open superliminal space.

    Sounds fun, but it begs one big question: How?

    For an object to exist in superliminal space, it must jump from this realm to the superliminal realm. The idea isn’t to speed up to superliminal speed but to pop into it. And the best way to do that is to convert ordinary dull sub-light matter into a version that can exist in the superliminal realm. So how does someone build the machine to make such a conversion possible? Zero clue.

    While Meholic’s idea is still very much speculative, it is unique. It doesn’t require a warp in spacetime or a wormhole or much in the way of new math. It is very similar to dark matter and dark energy; the biggest challenge is that we cannot currently observe the superliminal, so to say a “superliminal realm” exists becomes a matter of theoretical physics. 

    In sum total, we are still a long way from making the concept of faster-than-light travel anything more than just an entertaining element of science fiction. However, with the work of scientists like these who remain dedicated to its study, this fictional form of travel may indeed one day make its way into the realm of science fact.

    • Follow and Connect with Christopher Plain on Twitter @plain_fiction

    https://thedebrief.org/category/space/ }

    01-02-2024 om 23:25 geschreven door peter  

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    Klik hier om een link te hebben waarmee u dit artikel later terug kunt lezen.“BLACK HOLE” CREATED USING SOUND WAVES COULD HELP ENABLE THE DEVELOPMENT OF A PHYSICAL WARP DRIVE

    An artificial black hole produced using sound waves and a dielectric medium has been created in the lab, according to researchers with an international think tank featuring more than 30 Ph.D. research scientists from around the world.

    The researchers say their discovery is significantly more cost-effective and efficient than current methods in use by researchers who want to simulate the effects of a black hole in a laboratory environment.

    New York-based Applied Physics first achieved recognition with the 2021 publication of a peer-reviewed theoretical paper detailing the mathematics behind the construction of a physical warp drive. More recently, the organization published a method for using Cal Tech’s Laser Interferometer Gravitational-Wave Observatory (LIGO) to detect the use of warp drives in outer space, co-authored by Dr. Manfred Paulini, the Associate Dean of Physics at Carnegie Mellon University.

    Now, the group says their peers working in the field warp field mechanics have a tool that didn’t exist previously or was simply too expensive and impractical to utilize. Their findings, published in the peer-reviewed journal Universe, are setting the pace for a small but growing community of researchers hoping to explore the mechanics of gravity and bring about humanity’s first real warp-drive spacecraft.

    SOUND WAVES AND GLYCERIN PROVED TO BE THE KEY INGREDIENTS

    To create their simulated black hole, the paper’s lead author, Dr. Edward Rietman, and his co-author, Dr. Brandon Melcher, filled a chamber with an everyday, non-toxic liquid. “The dielectric medium used was glycerin,” explained Rietman in an exclusive email to The Debrief. “It has the nice property of being optically transparent and dense, and its normal refractive index is 1.4768.”

    Next, the researchers bombarded the dielectric medium with targeted sound waves. Once the waves were tuned correctly, Rietman and Melcher employed a Thorlabs FS30SMA-1550 fiber collimator to send the light into a Thorlabs CSS 100 series spectrometer, which confirmed the bending of light, exactly like a real black hole in space.

    “The team induced a black hole by modulating acoustic waves in a dense fluid, building on recent research that explores the use of high-frequency acoustic waves for analog simulations of gravity and general relativity in the laboratory,” the Applied Physics team told The Debrief. “The acoustic waves alter the medium through which they travel, deflecting laser light in the lab similarly to how the gravitational pull of black holes bends the light of distant stars behind them.”

    In other words, sound waves were focused into a thick fluid, causing light to bend around like they were close to a black hole. “This discovery provides a novel method to gain insight into the physics of black holes, all within the safety of a laboratory,” the team explained.

    Also significant, the team says that their measurements of the degree to which bent light the artificial black hole bent light jibe perfectly with the real thing. “We show the calculations comparing our results with the Schwarzschild metric (in our paper),” Rietman told The Debrief.

    “CHEAPER, BETTER, FASTER” BLACK HOLE OPENS UP GRAVITY RESEARCH TO EVERYONE

    While simulated black holes are currently used in labs to explore a wide range of phenomena, the team at Applied Physics says their particular black hole is more accessible to operate than the alternatives and is markedly less expensive. This cost-benefit, they note, will allow the small but growing community of physicists and engineers trying to advance science toward the construction of a real warp drive to afford a highly-specialized tool that is critical to their work.

    “A Bose-Einstein condensate requires liquid He (helium) temperatures plus a room full of costly equipment (that can total) over $1 million,” Gianni Martire, founder of Applied Physics, explained in a message to The Debrief, “whereas our system is truly benchtop, with total costs around $10k.”

    “We couldn’t afford $1 million,” added Martire,” so we invented a cheaper, better, faster way simply out of need.”

    ARTIFICIAL BLACK HOLE COULD ENABLE DEVELOPMENT OF A REAL WORLD WARP DRIVE SPACECRAFT

    The researchers behind the artificial black hole caution that the first flight of a working warp drive spacecraft could still be decades away, or that such technology may simply be too complex to ever really come to fruition. However, they reiterate that their solution provides a new tool to like-minded researchers who are banking on the possibility that making warp drive a reality can be achieved.

    “Nobody has used glycerin to create a black hole system in the lab,” Melcher told The Debrief. “We view this advance as offering another tool to analog system researchers. We view the pressure variations in glycerin as fertile soil for more complicated space/time possibilities.”

    “We’re here to scale science,” the physicist added, “not conjecture, so measuring is important.”

    When asked how their work can help facilitate advancements toward a working warp drive, Rietman was notably cautious, though still optimistic.

    “This discovery demonstrates the exciting potential of analog systems for studying astrophysical and cosmological phenomena in the laboratory,” he told The Debrief. “With this innovation, we can better understand the effects of curved space/time and advance the future of warp drive research.”

    “It is too early to answer clearly [how this will lead to a warp drive] as we need to publish more papers on work we’ve done,” he later added. “Science and technology advance one step at a time, so we can say it will, but going into the details is a deep science hole that will take away focus. We need this to measure and prove theories in warp [mechanics]. That’s the simple way to say it.”

    Ultimately, the Applied Physics research team says their new tool is sorely needed by researchers like themselves who hope to advance humanity’s understanding of gravity. But they also point out that the top benefit of their new laboratory-created black hole may be its safety since creating an actual black hole here on earth could have catastrophic consequences.

    “Just don’t leave your black hole unattended,” Martire joked before adding, “We should probably make that into a sign.”

    https://thedebrief.org/category/space/ }

    01-02-2024 om 22:45 geschreven door peter  

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    Klik hier om een link te hebben waarmee u dit artikel later terug kunt lezen.Campus Puritans Come for an Astronomer—And His Byline

    Campus Puritans Come for an Astronomer—And His Byline

    2007 NASA photo of astronomer Geoffrey Marcy

    Campus Puritans Come for an Astronomer—And His Byline

    By demanding that morality tests be imposed on scientific journal authorship, Geoff Marcy’s critics are creating a dangerous precedent.

    Lawrence M. Krauss

    Are we alone in the universe? It’s one of the most compelling existential questions facing humanity. And the past half-century has witnessed a revolution in our ability to scan the cosmos in search of an answer. When I was a university student, the possibility of discovering, much less observing, planets in other star systems seemed like science fiction. But that has changed. Thanks to orbiting observatories such as the James Webb Space Telescope, and huge ground-based telescopes such as the Keck Observatory in Mauna Kea Hawaii, astronomers could be on the cusp of finding evidence for life around one or more of the thousands of extrasolar planets (also known as exoplanets) that have now been discovered.

    And yet, even as new technology allows humanity to peer into distant galaxies and answer profound questions about the universe, some scientists working in this field are being hounded by colleagues more focused on leading terrestrial outrage mobs than finding new discoveries in the heavens.

    The existence of planets orbiting other main sequence stars (a category that includes about 90 percent of the stars in the universe) was first demonstrated in 1995, when Swiss astrophysicist Michel Mayor and Swiss astronomer Didier Queloz inferred the existence of a Jupiter-mass companion of the star 51 Pegasi, approximately 50 light years away from our own solar system. They did this by observing cyclic “wobbles” in the star’s path—tiny oscillatory movements whose maximum speed is about 70 meters per second, negligible in astronomical terms. These oscillations reflect the gravitational tug of 51 Pegasi’s planetary companion, which orbits the star once every four days, at a distance far closer than Mercury orbits our Sun.

    The discovery was accomplished using a technique that Mayor and Queloz spearheaded in parallel with similar work done by American astronomer Geoff Marcy. Both teams based their observations on the Doppler effect, the well-known phenomenon by which a wave’s apparent frequency will change depending on whether the observer is moving toward, or away from, the radiation source. (It’s similar to the principle that police use to measure your car’s speed with a radar gun.) To the extent that a star’s wobble aligns with the axis of observation, the frequency of its emitted light, as observed on Earth, would also vary, albeit by a minute amount.

    The two teams used sensitive spectrometers that could measure such shifts. And within a month of Mayor and Queloz’s observations becoming known, their results were confirmed by Marcy and his own colleagues. Marcy’s team went on to identify 70 of the first 100 known exoplanets, including the first exoplanet located as far from its star as Jupiter is from the Sun. In 2005, Marcy and Mayor shared the prestigious Shaw Prize in Astronomy, awarded for outstanding contributions in the field.

    NASA infographic on 51 Pegasi b.

    Another planet-detecting technique—which I will admit to having previously dismissed as nearly impossible—was uncovered by Marcy’s group, working with Tennessee State University astronomer Greg Henry. Using this method, a planet’s existence is inferred from the fact that its associated star is dimmed (to a terrestrial observer) by a minute amount (less than one part in a thousand) when the planet passes in front of it. This “transit” technique of exoplanetary detection was used by NASA’s 2009 Kepler Mission, of which Marcy was a Science Team member, to discover approximately 4,000 planets. Many of these are the size of our Earth, and would seem to have surface temperatures conducive to biology (as we know it).

    By now, we have discovered many systems with multiple planets orbiting a single star. And this naturally invites the question: Is the character of our own solar system, with large giant gas planets (Jupiter, Saturn, and Neptune) orbiting farther out, and smaller rocky planets (Mars, Earth, Venus, and Mercury) orbiting closer in (allowing the surface of at least one of these latter planets, Earth, to be sufficiently warm to host liquid water), a prerequisite for the development of life?

    In March, a group of 16 authors—including Marcy; lead author Lauren Weiss, a junior faculty member in the astrophysics group at Notre Dame University, and a former PhD student of Marcy; and Caltech astronomer Andrew Howard, a former postdoctoral researcher who’s worked under Marcy’s direction—posted a paper entitled ‘The Kepler Giant Planet Search. I: A Decade of Kepler Planet Host Radial Velocities from W. M. Keck Observatory’ to arXiv, an archive for electronic preprints of scientific papers in certain fields. One of the authors’ purposes was to explore how the existence of Jupiter-size outer planets might correlate with the existence of smaller rocky inner planets. (A layperson might ask what the existence of a gas giant such a Jupiter has to do with the emergence of life on a rocky planet much closer to the sun. One answer is that—to take our own solar system as a representative example—Jupiter is believed to have absorbed or deflected large asteroids and comets from the outer solar system that otherwise would have vaporized Earth’s oceans, from which life first emerged.) Here is part of the abstract of that paper:

    Despite the importance of Jupiter and Saturn to Earth’s formation and habitability, there has not yet been a comprehensive observational study of how giant exoplanets correlate with the architectural properties of close-in, sub-Neptune sized exoplanets. This is largely because transit surveys are particularly insensitive to planets [whose orbit radius is greater than that of Earth], and so their census of Jupiter-like planets is incomplete, inhibiting our study of the relationship between Jupiter-like planets and the small planets that do transit. To establish the relationship between small and giant planets, we conducted the Kepler Giant Planet Survey (KGPS). Using W. M. Keck Observatory HIRES [High Resolution Echelle Spectrometer], we spent over a decade collecting 2,858 [exoplanets detected using the Doppler wobble method] (2,181 of which are presented here for the first time) of 63 sun-like stars that host 157 transiting planets.

    But if you visit arXiv to read the paper now, you can’t. It’s been withdrawn. Why? Was the data incorrect? Was the analysis conducted improperly? No. The problem was that Geoff Marcy’s name was on it.

    Nine years ago, Marcy was investigated by his then-employer, the University of California, for behaviour that was described as sexual harassment. (You can read his take about the claims here, wherein he describes the infractions as resulting from him treating students as friends, hugging them or kissing them on the forehead if they related personal problems, and so forth.) It is worth adding that during his time at the University of California, Marcy also developed a record of working to promote a welcoming environment for women in science, advocating progressive university policies, and mentoring many female PhD students who subsequently went on to successful careers.

    It is true that a University of California investigator decided in favour of Marcy’s complainants, albeit based on a (weak) preponderance-of-the-evidence standard. (And the low levels of due process that typify campus investigations of this type are well-known.) But even so, following the investigation, U.C. Berkeley recommended that Marcy should continue as a full professor, as he’d recently demonstrated five years of more careful behavior, which had elicited no further complaints.

    Nevertheless, the online pressure against him became intolerable, and so Marcy eventually chose to leave his position voluntarily, so as to allow his colleagues and the department as a whole to get past the controversy surrounding his continued presence in the department. Grant sponsorship of his research ended, and he was removed from various collaborations. The Nobel Prize was awarded to Mayor and Queloz in 2019 for their work on exoplanets, but Marcy wasn’t included, in spite of the seminal role he and his group had played. In 2021, Marcy was ejected from the National Academy of Sciences, a shockingly severe response to behaviour that not only wasn’t criminal in nature, but which his university hadn’t even considered a firing offense. The pattern was clear: The imperatives of academic virtue signaling required individuals and institutions to publicly humiliate Marcy as a means to indicate their own moral bona fides.

    Marcy’s name had been included in the authorship of ‘The Kepler Giant Planet Search’ on the basis of his long-standing contributions to the project therein discussed. He helped design, build, and even fund the Doppler system at the Keck Observatory; and he helped write the novel computer algorithm used to distill evidence of stellar wobbles from the background data.

    One might imagine that the previous sanctions meted out to Marcy might have been enough. But not so: Once Astronomy Twitter discovered his name on the paper, a wave of outrage manifested itself. Many complained that it was wrong to have such a person’s work “promoted” in such a way—as if scientific publications were press releases. The pressure became so great that Weiss, the lead author, withdrew the paper from the arXiv altogether on April 7th, indicating, euphemistically, “It has come to my attention that there are significant concerns about the author list of this manuscript. It is very important to me that I honor everyone’s contribution to this work appropriately. Accordingly, I am revisiting the author list, with the goal of setting a standard for authorship that fairly acknowledges everyone’s contribution.” I have learned that, as a result of the social-media furor, several co-authors had requested their names be removed from the author list. As of now, the status of the paper is still in limbo.

    In the style of a Soviet apparatchik announcing that one of his comrades had fallen from favour, the aforementioned Caltech astronomer and former Marcy-supervised post-doc, Andrew Howard, publicly assured everyone that Marcy, in a reporter’s words, “won’t co-author any papers the group publishes going forward.” These remarks were published in a May 16th Science hit piece on Marcy’s reputation, whose author appeared to agree with those seeking to bounce Marcy from the author list. The torqued title: “After outcry, disgraced sexual harasser removed from astronomy manuscript.”

    A student who co-authored earlier publications as part of the same collaboration—in which Marcy’s name had appeared as co-author—now claims that having Marcy’s name on this new manuscript would be bad for her career. On what basis she made this claim is not clear. As noted above, Lauren Weiss, the lead author, is one of Marcy’s former students. Her name, like Howard’s, has appeared on numerous publications alongside Marcy’s. It appears that their association with the so-called “disgraced sexual harasser” helped, not hurt, their careers.

    Another student, whose role on the project was confined to collecting data, complained that the appearance of Marcy’s name on the paper would somehow serve to “promote” Marcy at the expense of the student. Putting aside the respective importance of the contributions being made, the complaint reflects a fundamental misunderstanding of how scientific publication works. These articles are not press releases, and one’s appearance on an author list is not a form of “promotion.” Rather, it is meant to indicate one’s actual intellectual contribution to the design and implementation of a project—a form of recognition the lead author and other co-authors presumably agreed upon before the paper was submitted for publication.

    The Science article also included a student’s extremely dubious claim that the presence of Marcy’s name on the author list would produce “potential psychological harm.” Specifically: “A lot of people in astronomy, especially a lot of women, are survivors of sexual assault and sexual harassment themselves, so seeing your name next to his—seeing his name at all—can be extremely triggering for a lot of people.” At the risk of appearing insensitive, anyone whose psychological trauma is so severe that it causes them to be emotionally triggered by the sight of someone’s name on a publication is in need of therapy. More importantly, such personal sensitivities should not serve to award individuals with veto power on the appearance of bylines in scientific publications.

    Such is the (new) outcry over Marcy that the American Astronomical Society (AAS), a publisher of journals in which his name has appeared frequently, felt compelled to get in on the act. One might imagine that it would stand on the side of proper scholarship, asserting that author credits should reflect project contributions; which is to say that the only grounds for removing an author’s name should be a disclosure to the effect that he or she did not actually contribute to the underlying science, or that he or she was involved in falsifying or distorting data.

    Instead, AAS President Kelsey Johnson publicly confirmed that the society’s ethics working group is now considering whether to classify “sexual harassment—and, indeed, all forms of harassment, discrimination, and bullying”—as grounds for restricting authorship. Under this standard, any number of people might have their names stripped from scientific papers, including, ironically, many of those same individuals now demanding that Marcy’s name be removed from ‘The Kepler Giant Planet Search.’ After all, how was lead author Weiss (a junior faculty member, it should be remembered) induced to withdraw the paper with its current author list except through mob bullying tactics?

    Indeed, one of Marcy’s SETI collaborators, Nordic Institute of Theoretical Physics researcher Beatriz Villarroel, has filed harassment complaints on this very basis. Recently, she was blocked from presenting at an astrobiology conference at Penn State because of her collaboration with Marcy. She also had to withdraw an application to become an affiliate at the SETI institute in California after being instructed not to publish any papers, or apply for any grants, for a project involving Marcy.

    The campaign against not only accused harassers, but also those who are accused of even dealing with accused harassers, including producing good science with them, is beginning to take on the flavour of anti-collaborator campaigns during wartime. Some organizations are even seeking to encode this mob logic in their formal rules, through codes of conduct that serve to punish those who collaborate with, or even cite the work of, those deemed to have committed harassment or offences against Diversity, Equity, and Inclusion (DEI).

    In the current political environment, few are willing to stand against the pitchforks. Two senior female astronomers to whom I sent a draft of this piece for possible comment prior to publication indicated that they agreed with the expressed views, but would not be willing to say so publicly. One stated that she didn’t want her students and postdocs to have a supervisor who could be viewed as “guilty by association.” Shouldn’t the mob mentality that produces this kind of fear be deemed at least as worthy of condemnation by the scientific community?

    Even the AAS leadership seems to have recognized the hypocrisy at play here, albeit grudgingly. A 2021 online note authored by the AAS’s then-President, University of Washington astronomer Paula Szkody (who herself co-authored a paper with Marcy in 2012), affirmed that the AAS ethics code states that “all persons who have made significant contributions to a work intended for publication should be offered the opportunity to be listed as authors” (a policy consistent with that of Springer, a major science publisher, which warns contributors that “it is dishonest to omit an author who has made significant contributions”). But in the same breath, she noted that the AAS anti-harassment policy “allow[s] for the denial of authorship privileges”—a provision that, when implemented, would plainly make nonsense of the idea that “all persons” who’d made “significant contributions to a work intended for publication” would be entitled to appear as listed authors. The two principles, the then-President acknowledged, “could be construed as being in potential conflict.” Could be?

    The slippery slope here is very slippery indeed. In the future, will everyone who writes scientific papers first have to be vouched for by some social-justice tribunal that assesses their moral purity? And if so, using what criteria—and under what statute of limitations?

    It has long been seen as a progressive habit of mind to understand that people can change, and that past sins do not inevitably define a human’s worth. There are famous examples of scientific papers being written from prison. And the same people baying for Marcy’s ongoing humiliation would likely be horrified to see the authorship of such then-incarcerated individuals stricken from the published record. Their puritanism is highly selective, in other words, being guided by the cyclic wobbles (to apply an astronomical metaphor) of political fashion.

    Members of the anti-Marcy contingent might peer into their own closets, and remember that there are many ways that one can run afoul of online mobs. In recent years, it has become seen as normal for scientists to be required to put their signature to DEI pledges and anti-racism manifestos as a condition of academic employment. And the broad language in these documents leaves signatories vulnerable to all manner of accusations. Once we accept the principle that a scientist’s “significant contributions” to a project stop being significant simply because of his or her alleged moral defects, there is no particular reason to expect that such scrutiny won’t be extended to one’s political views, social-media posts, and even private conversations and jokes.

    As Canadian science historian, Yves Gingras, put it in a thoughtful article last year, scientists are hardly immune from social panics. The Soviets were fond of judging science based on the politics of the men and women who conducted it, often denouncing the work of “bourgeois” scientists, whom they accused of being lackeys to Western imperialists. Google the name “Trofim Lysenko” to learn how that story ended. As Gingras stressed, “The road to hell is paved with good intentions.”

    My wife recently reminded me of a quote from Henry Adams, which suggests, I think, an apt lesson to end on: “A teacher affects eternity: he can never tell where his influence stops.” The same principle applies to scientists. Members of the mob that came after Marcy won nothing for themselves but a brief spasm of schadenfreude. The consequences of this kind of precedent will last much, much longer.

    Editor’s note:

    • On May 27, the text of this article was modified so as to clarify that Caltech astronomer Andrew Howard was not among those who had requested that his name be removed from the author list of The Kepler Giant Planet Search. Additionally, the article has been corrected in regard to the quoted text indicating that Geoff Marcy “won’t co-author any papers the group publishes going forward.” Due to an editing error, these words were originally attributed to Howard. In fact, they are properly attributed to a Science magazine writer who’d summarized Howard’s comments.

    https://quillette.com/ }

    01-02-2024 om 21:58 geschreven door peter  

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    Klik hier om een link te hebben waarmee u dit artikel later terug kunt lezen.NEW GOVERNMENT UAP REPORT OUTLINES THE DOD’S LATEST INVESTIGATIONS INTO ‘UNIDENTIFIED ANOMALOUS PHENOMENA’

    NEW GOVERNMENT UAP REPORT OUTLINES THE DOD’S LATEST INVESTIGATIONS INTO ‘UNIDENTIFIED ANOMALOUS PHENOMENA’

    A newly released government UAP report details the latest findings in the Defense Department’s ongoing investigations into aerial incursions within military airspace, and other incidents involving objects the DOD now calls “unidentified anomalous phenomena.”

    Although several weeks late on arrival, the report presents the latest findings on the efforts of the All-domain Anomaly Resolution Office (AARO), which the document characterizes as “the DoD focal point for UAP.”

    According to the new assessment, 247 new reports, as well as 119 “that were either since discovered or reported after the preliminary assessment’s time period,” have been accumulated since the publication of the last report on UAP issued by the ODNI in June 2021, spanning a 17 year period.

    “This totals 510 UAP reports as of 30 August 2022,” the report’s authors state. “Additional information is provided in the classified version of this report.” Most of the new reporting “originates from U.S. Navy and U.S. Air Force aviators and operators who witnessed UAP during the course of their operational duties,” the report adds.

    “AARO and ODNI assess that the observed increase in the UAP reporting rate is partially due to a better understanding of the possible threats that UAP may represent,” the report states, “either as safety of flight hazards or as potential adversary collection platforms, and partially due to reduced stigma surrounding UAP reporting.”

    “This increased reporting allows more opportunities to apply rigorous analysis and resolve events,” the report adds.

    Although leaving open the possibility that irregularities in the detection capabilities of sensors and other errors in equipment function may account for some UAP reports, “ODNI and AARO operate under the assumption that UAP reports are derived from the observer’s accurate recollection of the event and/or sensors that generally operate correctly and capture enough real data to allow initial assessments,” the report states.

    Based on AARO’s analysis and characterization of the 366 reports collected since the issuance of the last ODNI report, it says that “more than half” appear to exhibit “unremarkable characteristics,” with half a dozen attributed to aerial clutter, 26 believed to represent Unmanned Aircraft System (UAS) craft or “UAS-like entities,” and 163 determined as being representative of “balloon or balloon-like entities.”

    The report states that such initial characterization of these events “does not mean positively resolved or unidentified” but is intended to enable AARO “to efficiently and effectively leverage resources against the remaining 171 uncharacterized and unattributed UAP reports.” The report also emphasized that “many reports lack enough detailed data to enable attribution of UAP with high certainty” despite the methods employed in collecting and reporting those incidents.

    Mirroring themes from the 2021 report, flight safety challenges associated with the presence of UAP over the U.S. and in other airspace remains a concern, characterized as “a safety of flight and collision hazard to air assets” in Thursday’s report. However, the summary notes that AARO and its partner agencies have logged no known collisions with UAP.

    New to the DOD’s assessment of concerns related to UAP is what the new report characterizes as potential “health implications” related to the phenomenon, although noting that presently, there are “no encounters with UAP confirmed to contribute directly to adverse health-related effects to the observer(s).”

    “Acknowledging that health-related effects may appear at any time after an event occurs, AARO will track any reported health implications related to UAP should they emerge,” the report adds.

    The report acknowledges that UAP reporting has increased since the issuance of the 2021 ODNI report, possibly due to the removal of stigmas associated with the topic in years past and the institution of new formalized methods of reporting by military personnel. Fundamentally, in addition to the potential hazards to flight safety that some UAP may represent, AARO is focused on assessing the possibility of adversary collection threats that could be related to many UAP incidents.

    The report, an unclassified document based on a classified version that was originally set for arrival on October 31, 2022, was published on the ODNI website on Thursday, with a classified version delivered to Congress yesterday, according to a statement issued by Pentagon Press Secretary Air Force Brigadier General Pat Ryder. It is the second in an ongoing series of periodic updates in coordination with the Office of the Director of National Intelligence (ODNI) on findings related to what the DOD characterizes as unidentified anomalous phenomena.

    “The safety of our service personnel, our bases and installations, and the protection of U.S. operations security on land, in the skies, seas, and space are paramount,” Ryder stated. “We take reports of incursions into our designated space, land, sea, or airspaces seriously and examine each one.”

    “There is no single explanation that addresses the majority of UAP reports,” said Department of Defense spokesperson Sue Gough in a statement provided to The Debrief in response to queries about the report and the DOD’s position on current findings related to U.S. government UAP investigations.

    “We are collecting as much data as we can, following the data where it leads, and will share our findings whenever possible,” Gough said, adding that the DOD would not rush to conclusions in its analysis of incidents involving unidentified phenomena.

    “In many cases, observed phenomena are classified as ‘unidentified’ simply because sensors were not able to collect enough information to make a positive attribution,” Gough further clarified, adding that the DOD continues to improve its data collection capabilities in order to help ensure that “sufficient data for our analysis” can be collected when UAP events occur.

    Similar inquiries were made with the Office of the Director of National Intelligence by The Debrief, although ODNI Spokesperson Jamie Mason conveyed that the Office could not offer any guidance or additional comments on the UAP report at that time.

    In recent days, the National Defense Authorization Act (NDAA) for Fiscal Year (FY) 2023 was signed into law by President Biden. Included within the annual defense bill are provisions aimed at improving government transparency on the UAP issue by providing protections for whistleblowers, in addition to expanding the scope of current investigations by the DOD’s All-domain Anomaly Resolution Office (AARO).

    Earlier in December, the Pentagon held a media roundtable that briefly addressed the findings of the DOD’s new All-domain Anomaly Resolution Office (AARO) in advance of the release of the report. In attendance were Ronald Moultrie, Under Secretary of Defense for Intelligence and Security, who also appeared at a Congressional hearing earlier this year that addressed the subject, and Dr. Sean Kirkpatrick, the director of AARO, whose participation marked his first public appearance since taking over the DOD’s new office.

    “We have an important and yet challenging mission to lead an interagency effort to document, collect, analyze and when possible, resolve reports of any unidentified anomalous phenomena,” Kirkpatrick said during the briefing, adding that the DOD has “transferred the data and responsibilities from the previous Navy-led UAP task force, and disestablished it.”

    “During that transition, we’ve taken the opportunity to expand and standardize and integrate UAP reporting and reevaluate the data we’ve collected,” Kirkpatrick added.

    Moultrie also emphasized that the DOD “takes public interest in UAPs seriously,” adding that “we are fully committed to the principles of openness and accountability to the American people. We are committed to sharing as much detail with the public as we can.”

    Last November, the DOD announced the establishment of what it then called the Airborne Object Identification and Management Group (AOIMSG), the mission for which had been limited primarily to incidents occurring within military airspace. The scope of the AOIMSG was later broadened in July 2022 following additional direction from Congress, as outlined in wording that appeared in the FY 2022 National Defense Authorization Act (NDAA).

    “On July 15, 2022, Deputy Secretary of Defense Kathleen Hicks, in coordination with the Director of National Intelligence (DNI), amended her original direction to the Under Secretary of Defense for Intelligence & Security by renaming and expanding the scope of the Airborne Object Identification and Management Group (AOIMSG) to the All-domain Anomaly Resolution Office (AARO),” read a portion of a July 20, 2022, DOD release.

    According to the DOD release, the FY 2022 NDAA “included a provision to establish an office, in coordination with DNI, with responsibilities that were broader than those originally assigned to the AOIMSG.”

    Wording within the NDAA also required an annual report on the DOD’s latest findings on UAP to be delivered to Congress by no later than October 31.

    Some have noted that the delivery date for the annual report, which according to last year’s NDAA was scheduled to coincide with Halloween, seemingly nods to the long-held flippant attitudes maintained by both the military, and the academic community, toward anomalous aerial phenomena.

    Several weeks in advance of the report’s late arrival, an October 28 article by New York Times reporter Julian Barnes also seemingly downplayed the significance of unresolved incidents in the DOD’s current UAP dataset. Citing government officials familiar with the document and its findings who spoke on background, Barnes reported that “surveillance operations by foreign powers and weather balloons or other airborne clutter” could account for most UAP incidents investigated by the DOD in recent years, adding that such sightings have given weight to “theories about visiting space aliens” and espionage by adversaries like China and Russia.

    The newly released report, by contrast, while noting that “more than half” of the UAP reports currently collected by AARO seem to display “unremarkable” behavior, nonetheless conveys that a significant number remain that do not appear to have such prosaic characteristics, and remain a focus of AARO’s further investigations.

    In her statement provided to The Debrief, Department of Defense spokesperson Sue Gough emphasized that the Pentagon does not downplay UAP incidents and recognizes the current level of public interest in these events, as well as issues of transparency related to them, statements in-line with those expressed by Moultrie and Kirkpatrick earlier in December.

    “DoD takes public interest in UAP seriously,” Gough told The Debrief, adding that the Department “is committed to the principles of openness and accountability to the American people which it must balance with its obligation to protect sensitive information, sources and methods.”

    • Micah Hanks is Editor-in-Chief and Co-Founder of The Debrief. Follow his work at micahhanks.com and on Twitter: @MicahHanks

    https://thedebrief.org/category/science/ }

    01-02-2024 om 21:40 geschreven door peter  

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    Categorie:Oliver's WebLog ( ENG en NL)
    Klik hier om een link te hebben waarmee u dit artikel later terug kunt lezen.Exoplanet Clouds: 'Jewels' of New Knowledge

    Exoplanet Clouds: 'Jewels' of New Knowledge

    By Pat Brennan, NASA's Exoplanet Exploration Program

    Scientists explain how NASA's James Webb Space Telescope will investigate exoplanet clouds.

    Clouds of vaporized rock, and perhaps even glittering gems, could fill the skies of some distant worlds. Add howling winds and broiling temperatures, and you begin to catch the first glimpse of wildly different environments on one of the many varieties of exoplanets ­– planets around other stars.

    Exoplanet scientists are on the edge of their seats. NASA’s James Webb Space Telescope has begun to deliver its first science images and data. The targets for observations to come include the atmospheres of some of the strangest exoplanets found so far.

    Among the best ways to understand these atmospheres, and even the planets themselves, will be the first-ever direct observations of clouds, however weird and exotic they might be.

    “On Earth, a lot of these minerals are jewels,” said Tiffany Kataria, an exoplanet scientist at NASA’s Jet Propulsion Laboratory in Southern California. “A geologist would study them as rocks on Earth. But they can form clouds on exoplanets. That’s pretty wild.”

    These planets – hot gas giants – are among many exoplanet types confirmed in the galaxy. They could have clouds of vaporized rock because they orbit so close to their stars, making their atmospheres ferociously hot.

    And while clouds of rock, rubies, or sapphires might sound enchanting, actually detecting such minerals in an exoplanet atmosphere also would be a giant step forward in scientific knowledge.

    “Clouds tell us a lot about the chemistry in the atmosphere,” Kataria said. “It then becomes a question of how the clouds formed, and the formation and evolution of the system as a whole.”

    Picturing Exoplanet Clouds
    Exoplanets – planets beyond our solar system – are among the prime targets for NASA's James Webb Space Telescope. And Webb could reveal details of exoplanet clouds, providing further insights into the composition and structure of their atmospheres.
    Infographic: NASA/JPL-Caltech/Lizbeth B. De La Torre

    The Webb telescope's many capabilities include “spectroscopy” – splitting the light Webb receives from distant stars and planets into a spectrum, a bit like a rainbow. That would allow scientists to read the types of molecules present in an exoplanet atmosphere.

    And that means Webb could detect specific types of minerals in clouds.

    Detailed study of exoplanet clouds might even yield evidence of a habitable, potentially life-bearing planet – say on a small, rocky world like Earth.

    “Clouds are an important feature on Earth, to regulate temperature,” Kataria said. “They’re an important consideration for Earth’s climate. It stands to reason that clouds could also be a vital component in the atmosphere of a habitable exoplanet. The more we understand how clouds form in general – as they have on Earth and other solar system planets – the more we understand how clouds evolved in more exotic environments.”

    Probing the hearts of exoplanet clouds could bring together experts from many scientific fields as they seek to understand the origin, evolution, and environments of other planets in our galaxy.

    “This further illustrates that exoplanets as a field really is interdisciplinary, borrowing lessons learned from astronomy, planetary science, geology, chemistry, and other areas of science,” Kataria said. “It’s so important to build these connections with scientists in all these different fields to better understand the many exotic worlds out there.”

    The James Webb Space Telescope is the world's premier space science observatory. Webb will solve mysteries in our solar system, look beyond to distant worlds around other stars, and probe the mysterious structures and origins of our universe and our place in it. Webb is an international program led by NASA with its partners, ESA (European Space Agency) and the Canadian Space Agency.

    For more information about Webb, visit www.nasa.gov/webb.

    https://exoplanets.nasa.gov/ }

    01-02-2024 om 21:28 geschreven door peter  

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    Categorie:ASTRONOMIE / RUIMTEVAART
    Klik hier om een link te hebben waarmee u dit artikel later terug kunt lezen.Rock that punched hole in New Jersey house confirmed to be 4.6 billion-year-old meteorite

    Rock that punched hole in New Jersey house confirmed to be 4.6 billion-year-old meteorite

    A metallic-looking rock that smashed through the roof of a residential home in New Jersey's Hopewell Township earlier this week is indeed a meteorite — a rare one about 4.6 billion years old, scientists confirmed on Thursday (May 11).

    "It was obvious right away from looking at it that it was a meteorite in a class called stony chondrite," Nathan Magee, chair of the physics department at The College of New Jersey (TCNJ), whose office was contacted by the Hopewell Township police soon after the rock was found on Monday (May 8), told Space.com.

    Chondrites are primitive rocks that make up 85% of meteorites found on Earth. Most chondrites found to date have been discovered in Antarctica; only rarely does one crash in populated areas. 

    Related: 

    This apparent meteorite struck a house in Hopewell Township, New Jersey on May 8, 2023. 
    (Image credit: Hopewell Township Police Department)

    The New Jersey rock, which is about 6 inches long by 4 inches wide (15 by 10 centimeters), is a notable exception. It slammed into the Hopewell Township house, dented the floorboard, punched two holes in the ceiling and was still warm when it was discovered by Suzy Kop in her father's bedroom around noon on Monday. 

    "I'm looking up on the ceiling and there's these two holes, and I'm like, 'What in the world has happened here?'" Kop told 6 ABC's Trish Hartman.

    Once emergency responders cleared Kop, her family and their home of any harmful radioactive residues, Kop handed over the space rock to the nearby college for further inspection.

    At TCNJ, Magee's team consulted Jerry Delaney, a retired meteorite expert who had worked on the meteorite collection at the American Museum of Natural History in New York. The team confirmed the space rock to be about 4.56 billion years old, which means it has been around since the beginning of our solar system and represents the leftover fragments from its creation.

    Researchers at The College of New Jersey have confirmed that this rock, which struck a house in Hopewell Township, New Jersey on May 8, 2023, is a 4.6-billion-year-old meteorite. 
    (Image credit: The College of New Jersey)

    The 2.2-pound (0.9 kilograms) meteorite, which will likely be named Titusville, NJ — the postal address closest to its landing site — is "in excellent condition, and one of a very small number of similar witnessed chondrite falls known to science," Magee said in a statement on Thursday.

    The top layer of the meteorite has a blackened crust a few millimeters thick from partially burning up in Earth's atmosphere. Using a hand lens designed to look at rocks closely, his team found that the meteroite's minerals are blue and gray in color, with a small amount of other metals mixed in, Magee told Space.com.

    The team studied the rock's texture and composition by placing it inside a large chamber of a scanning electron microscope. Based on initial estimates, the meteorite is a chondrite of class LL-6, which has less iron than other members of its family and is at least 30 to 40% denser than the most common rocks on Earth, like slate or granite. 

    "So it was clear it was not an Earth rock," Magee told Space.com.

    Even before the space rock had breached Earth's atmosphere, it was exposed to a lot of heat in outer space that had heavily altered its structure and composition, so much so that it is difficult to easily distinguish individual grains or chondrules that make up the meteorite, scientists shared in Thursday's update.

    https://www.space.com/ }

    01-02-2024 om 21:17 geschreven door peter  

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    Categorie:ASTRONOMIE / RUIMTEVAART
    Klik hier om een link te hebben waarmee u dit artikel later terug kunt lezen.Breathtaking Footage of 1,000 Lego Astronauts Flying to Space

    Breathtaking Footage of 1,000 Lego Astronauts Flying to Space

    Two cameras captured 1,000 Lego astronauts flying to the edge of space on a 3D-printed mini space shuttle.

    The voyage was powered by a stratospheric balloon that burst after taking the Legonauts 22 miles above the Earth’s surface when they safely landed back on terra firma with the help of a parachute.
    Image
    Lego sent 1,000 mini-astronauts on a trip to near space.
    (Image credit: LEGO/Kreativ Gang)

    3D-printed Lego space shuttle

    A Kreativ Gang team member with the 3D-printed space shuttle made for Legonauts.

    Lego space shuttle in space.

    The stratospheric balloon popping 21 miles above the Earth’s surface on the edge of space.

    The 3D-printed space shuttle was made from a lightweight carbon composite material, built by a team of space architects and engineers from Slovakia and the Czech Republic.

    There were three separate space flights with roughly 330 Legonauts going up each time and the team from Kreativ Gang, a marketing agency producing a Lego campaign, had to ensure none of the astronauts fell off the open-air shuttle.

    Lego space shuttle

    The Legonauts being taken up to space by the stratospheric balloon.

    “To make the figures stay on the space shuttle after the balloon burst was a major challenge,” says Dominik Matusinsky, an executive at Kreativ Gang, tells Space.com.

    “We wanted the figures to be exposed directly to space, not to be stored inside anything. But during the free fall stage [before the parachute opened], they experienced speeds of up to 300 kilometers per hour [186 miles per hour], so that was a challenge.”

    In an Instagram post, the Kreativ gang explained that the Legonauts flew from Malé Bielice Airport near Partizánské in Slovakia on Saturday, May 20 on a shuttle made of carbon fiber and 3D-printed stainless steel.

    “They have landed in three different places and are ready to end their journey on your nightstand,” the team jokes.

    “This space feat of ours was captured by two cameras during the entire ride. One monitored the space with the mini-crew from the cockpit, and the other, attached to the shoulder, took a view of the entire platform.

    “In the photos and videos, you can see breathtaking shots of the Earth as well as figures who are fully enjoying their flight into space.”

    Lego space shuttle

    Lego astronauts flying to space

    The stunt was a promotional campaign for Lego. Anyone who buys a new Lego set and registers it could win the Lego astronauts as a prize. More details are avaialbe on Kreativ Gang’s website.

    Image credits: All photos by Kreativ Gang/LEGO.

    According to Dominik Matusinsky, an executive at marketing agency Kreativ Gang that produced the campaign for Lego, the team had to make sure that none of the astronauts fell off the open-air shuttle during the early stages of the platform's descent. 

    "To make the [Lego] figures stay on the space shuttle after the balloon burst was a major challenge," Matusinky told Space.com in an email. "We wanted [the figures] to be exposed directly to space, not to be stored inside anything. But during the free fall stage [before the parachute opened], they experienced speeds of up to 300 km/h [186 mph], so that was a challenge."

    For the balloons to comfortably lift off, the whole platform including its passengers had to weigh no more than 6 pounds (2.7 kilograms).

    "The challenge was to build the space shuttle as lightweight as possible," added Rousek. "We ended up making it from carbon fiber, 3D printed stainless steel and plastic."

    Two cameras filmed the rides: One monitoring the crew compartment;, the other attached to a boom filming a view of the entire platform.

    The Lego astronauts will now be put up as a prize in a drawing in the Czech Republic and Slovakia for anyone who buys and registers a new Lego set.

    https://petapixel.com/ }

    01-02-2024 om 21:04 geschreven door peter  

    0 1 2 3 4 5 - Gemiddelde waardering: 0/5 - (0 Stemmen)
    Categorie:ASTRONOMIE / RUIMTEVAART
    Klik hier om een link te hebben waarmee u dit artikel later terug kunt lezen.Multiple Pilots Describe Seeing UFOs ‘Forming Triangles’ To Air Traffic Control In Canada

    Multiple Pilots Describe Seeing UFOs ‘Forming Triangles’ To Air Traffic Control In Canada

    BY 

    UFOs Triangular Unidentified Flying Objects

    Several pilots recently reported seeing UFOs in Canada, describing “multiple lights sometimes in a triangle formation” to air traffic control.

    “I’m certainly no expert, but they’re moving side-to-side and then going away from each other and then forming triangles. That doesn’t really seem like they’re in any type of orbit. But I mean, I’m no expert,” an Air Canada pilot from Seattle to Winnipeg said while flying over Saskatchewan in audio obtained by CTV News from two feeds at LiveATC.net.

    “Yeah, it’s quite bizarre,” echoed a pilot on a Flair Airlines flight from Vancouver to Toronto. “There’s around six of them just randomly in formation flying at a high altitude at 12 o’clock.”

    “Definitely not satellites,” said another pilot on a Morningstar Air Express cargo flight from Calgary to Toronto. “It’s unlike anything I’ve ever seen in the 15 years of night flying that I’ve done.”

    “There’s no active airspace, military airspace, anything like that we’re aware of,” an air traffic controller told the pilots. “I honestly have no idea what that might be.”

    The total audio of the conversations between the pilots and air traffic control in Canada discussing the mysterious lights was originally 2.5 hours long, but has been condensed down to a 13-minute video.

    At least four different pilots reported seeing the strange lights of these UFOs on Jan. 19, with some appearing as high as 100,000 feet in the sky.

    Daniel Otis, who reported about the UFO sightings for CTV News, also wrote on YouTube, “Their reports appeared in Transport Canada’s online aviation incident database on Jan. 23. NORAD was also notified of the incident, which occurred over Saskatchewan and Manitoba.”

    The Canadian Air Defence was also notified about the UFOs, according to the Civil Aviation Daily Occurrence Reporting System (CADORS) report.

    As is almost always the way in UFO cases such as this, much like in America, no one in power wants to talk or provide an actual explanation.

    “Reports of unidentified objects can rarely be followed up on as they are as the title implies, unidentified,” a Transport Canada spokesperson told CTV News. “The department is reviewing the circumstances of this incident and will take appropriate action if non-compliance with the regulations is identified.”

    A Canadian NORAD and Royal Canadian Air Force (RCAF) spokesperson told CTV News, “NORAD detects radar tracks and if required, provides a threat assessment of those tracks based on a variety of factors. For operational security reasons, we do not discuss how NORAD assesses threats.”

    • Douglas Charles headshot avatar BroBible
    Before settling down at BroBible, Douglas Charles, a graduate of the University of Iowa (Go Hawks), owned and operated a wide assortment of websites. He is also one of the few White Sox fans out there and thinks Michael Jordan is, hands down, the GOAT.

     { https://brobible.com/ }

    01-02-2024 om 18:38 geschreven door peter  

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    Categorie:LATEST ( UFO ) VIDEO NEWS ( ENG)


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