Kan een afbeelding zijn van hond

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+

DEAR VISITOR,


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ON 06/05/2024 MORE THAN 1.972.210

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Goodbye
PETER2011

De bronafbeelding bekijken

De bronafbeelding bekijken

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
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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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    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.

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    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...
    01-05-2020
    Klik hier om een link te hebben waarmee u dit artikel later terug kunt lezen.Flashy 'dance' of two monster black holes captured by NASA's Spitzer Space Telescope

    Flashy 'dance' of two monster black holes captured by NASA's Spitzer Space Telescope

    01-05-2020 om 20:49 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.UFO crash researcher Leonard Stringfield's live interview with an alien being by Richard Dolan

    UFO crash researcher Leonard Stringfield's live interview with an alien being by Richard Dolan

    Although the UFO news is currently talking up the latest Pentagon admission of the validity of those pesky videos commonly known by their filenames 'Flir,' 'Go Fast,' and 'Gimbal,' that were released over two years ago, they are still in the "we don't know what these are" phase of public discourse.


    But the research of the late Leonard Stringfield shows how weak that position is. Stringfield pioneered the research of UFO crash retrievals. He made contact with countless individuals.

    Unlike many of today's researchers who talk about "whistleblower" testimony, Stringfield was actually careful and professional, vetting his sources to the greatest extent possible. His cases are worth careful review.

    Richard and Tracey discuss yet another incredible Stringfield case, this time an alleged one-on-one with an alien being. This was one of Stringfield's last cases. He died in 1994. You don't want to miss this one.

      

    http://ufosightingshotspot.blogspot.com/ }

    01-05-2020 om 20:07 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.Elon Musk’s Starlink Satellites and the Star Trek Tholian Web — a Connection?

    Elon Musk’s Starlink Satellites and the Star Trek Tholian Web — a Connection?

    During the coronavirus shutdown there’s a lot of binge-watching being done, affording those who’ve never been able to it before watch all of the episodes of their favorite television programs or for those too young to have seen them the first time around to be introduced to some classics. The Museum of Binge-Worthy TV Shows ought to have a special wing for the various Star Trek series and this writer is one who has visited that wing regularly and recently saw (for the umpteenth time) “The Tholian Web,” the ninth episode of the third season of the original Star Trek. That could be why an article caught my eye shortly after comparing Elon Musk’s ever-growing network of small communications satellites to the Tholian Web.

    The article (you can read it here in Soul:Ask) starts with the conspiracy theories that Elon Musk is in cahoots with the Pentagon, that the idea of a Starlink network of 12,000 satellites providing worldwide Internet links is just a cover-up (a “Trojan horse”), that the satellites will actually be able to connect to each other via lasers to create a web around the globe and that the lines of satellites clearly visible in the night skies around the world have already begun to cross paths like the Thorian web around the Enterprise and that the purpose of the two is the same – imprisonment of everyone inside. Whoa!

    OK, those dots are much farther apart than the lines of Starlink satellites in the sky, and there’s no evidence that these small satellites have any more powers than Internet communications. However, the map of the 12,000 satellites (on up to 30,000 or more) does form a grid pattern around the Earth. And we’ve already seen many instances of equipment and events on Star Trek becoming reality. Could Gene Roddenberry have been predicting/warning about just such a space chain-link fence? Let’s take a look at The Tholian Web plot and see if there are any signs.

    The USS Enterprise enters uncharted space (as always) searching for her sister ship, the USS Defiant. The Defiant is found adrift, and Captain Kirk, First Officer Spock, Chief Medical Officer Dr. McCoy, and Navigator Ensign Chekov transport to it wearing environmental suits for protection – sounds an awful lot like what’s going on around the world right now, doesn’t it? It appears the Defiant crew killed each other (panic caused by an invisible enemy?), but what’s worse is that the entire ship appears to be fading away (like out jobs?). due to equipment malfuntions (like the ventilators?), the group barely makes it back, but Kirk doesn’t and he and the Defiant vanish.

    Spock determines that the local space is experiencing periods of “interphase” where two parallel dimensions touch each other and they just need to wait until it happens again. While waiting, the Enterprise is attacked by the Tholians (Iranians?) for violating their space and two Tholian ships commence building a Tholian web around the Enterprise (Starlink will imprison Earth with the U.S. and the Pentagon in control?). Uhura and Scott have visions of Kirk in his environmental suit telling them to hurry (leakers?). However, other crew members are showing signs of insanity from being infected by the Tholian space (coronavirus?). (Spoiler alert!) In the nick of time, Dr. McCoy develops an antidote (antidote!!), Spock finds Kirk and beams him aboard just as his oxygen runs out (the ventilator again?) and slips through the last tiny unfinished hole in the web.

    Whoa! Roddenberry and his writers predicted the Starlink web AND the coronavirus epidemic. Or did they?

    Starlink has a long way to go to become a Tholian web

    That little fun exercise is the same process people go through when linking the prophecies of Nostradamus to current events – look at events after they happen for similarities. No one who’s watched The Tholian Web dozens of times could have predicted it was going to happen in 2020 … and it didn’t really happen. Starlink is a looooong way from a Tholian web prison, and Dr. McCoy always seemed to find an antidote for whatever was ailing the crew. The hazmat suit is definitely a twist you don’t see often on Star Trek, but we have seen them for years in many situations. Equipment failures and lack of oxygen are happening now and they’re killing people, just like Kirk’s dilemma, but was that really a prediction or a coincidence?

    It might be fun to try and link some other Star Trek episodes to world events. On the other hand, most of us would prefer that the coronavirus, the lockdown and the binge-watching were over and we could all boldly go back to that comfortable charted space known as work.

    https://mysteriousuniverse.org/ }

    01-05-2020 om 17:18 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.The Strange Life of the Inventor of the World’s First Real UFO

    The Strange Life of the Inventor of the World’s First Real UFO

    There have been people throughout history who have made an indelible mark upon the landscape. Whether it be because of new ideas, technology, or any number of other endeavors, these people have managed to make their mark. Some have become more well-known while others have slipped into obscurity, but all have managed to shape history in some way. One person who has mostly managed to slip through the cracks was a very well-known inventor at the time, who had a curious life and who also just happens to have invented the world’s first functioning flying saucer.

    The Dutch painter, sculptor, engineer, and inventor Alexander Weygers had a rather colorful life even before he started designing strange, outlandish flying machines. Weygers was born in the Dutch East Indies in 1901 and was raised in his childhood along with his six brothers and sisters on a sprawling remote sugar plantation on the island of Java, where his parents also owned a hotel. His family was well-off, and at the age of 15 they sent him to live in the Netherlands to go to school. It is here where he would become intensely interested in mechanical engineering, naval architecture, and blacksmithing, going on to graduate with a degree in shipbuilding before returning to Java in 1923 along with his wife, Jacoba, but here is where he would run into tragedy.

    Alexander Weygers

    Apparently Jacoba did not adjust well to life on the island and was deeply unhappy. He would then in 1926 decide to take her and move to Seattle, Washington, in the United States, where he pursued a career in engineering, yet these dreams would soon be dashed. In 1931, Jacoba would tragically die in childbirth, and Weygers had a rough time dealing with it all. He spiralled so deep into depression and despondency that he abandoned engineering altogether to pursue art, enrolling in courses at the Seattle Institute of Art and studying sculpting. He was very good at it, earning accolades from his peers and teachers and gaining a scholarship for his work in the process, eventually studying art in Chicago, travelling the world studying under several master sculptors, and then finally moving to Berkley, California to open his own studio. He did many exhibitions and became much sought after as a teacher, with people coming in from all across the country to study sculpting under him. His respected work would be included in the collection of the Smithsonian Institution in Washington, D.C., win various awards, and by 1940 Weygers was a world-renowned sculptor. However, his life was about to make another sharp change in course.

    In 1941, World War II was looming over everything, and the then 40-year-old Weygers entered the U.S. Army, where he became involved in intelligence missions, mostly translating Malay, Dutch, Italian, German, and English. He would serve a 2-year stint in intelligence operations, after which he was discharged in 1943 and headed off to live in Carmel, California, where he would meet his second wife, Marian Weygers. It was during this time that he would become known as a bit of an eccentric, crafting a sprawling mushroom-shaped house that he called a “geodesic dome gone wild” out of pieces of wood, scrap metal, and various junk that he reworked and crafted with his formidable blacksmithing skills, even picking up new skills of wood carving, toolmaking, electrician and plumbing skills, and photography along the way. He also drove around in a homemade steam-driven car, kept bees on his property as an avid beekeeper, and this was all in keeping with his philosophy of self-sustaining living. In the meantime, he wrote several important books on blacksmithing and toolmaking, and it was also during this time that he became increasingly obsessed with creating an idea he had been long percolating for a new, groundbreaking aircraft he called the “discopter.”

    The Discopter

    For years Weygers had been making sketches of various fantastical machines in his notebooks, many of them which looked as if they had flown straight out of a Jules Verne novel. One of these in particular which he was very interested in actually building was the discopter, an idea he had been toying with since the 1920s. It was an odd-looking craft, saucer shaped with a pilot in the center and meant to be a vertical take-off and landing vehicle that was able to make precise sharp changes in direction and would replace the helicopter, which he felt was a flawed design. He would perfect the design for the discopter, and in 1944 he was granted a patent for his design from with the U.S. Patent Office. Weygers would say of his bizarre invention:

    To a helicopter, a craft constructed on the principles of my invention bears a superficial resemblance in that both types are sustained by at least one horizontal rotor. From this point on, however, all similarity between the two types of flying craft ends. A craft embodying my invention is distinguished from a helicopter in that the rotor or rotors in my craft are enclosed within a substantially vertical tunnel, the rotor regarded as a whole is mainshaftless and the external form of the craft is not very different from the familiar discus of the athlete, in common with which the craft enjoys certain aerodynamic advantages characteristic of the passage of the discus thru the air. Not only the rotors and power plant compartments but all of the usual moving and fixed protruding parts, present in both airplanes and helicopters, such as stabilizing and directing means and otherwise, are entirely enclosed within the strikingly simple and cleanly streamlined contour line of the craft when regarded from exteriorly thereof in any elevation view, thereby concealing from the casual view such parts.

    He also sent his designs freely to all branches of the military, but at the time no one was interested in mass producing such a craft. Weygers was very excited about his invention, and envisioned it as completely changing the landscape of aviation, but alas not even a prototype was ever actually built. However, in later years the discopter became popular again in the late 1940s and 1950s, when UFOs and flying saucers began to enter the public consciousness. Weygers’ design was dusted off and pretty soon trying to create flying saucer-type aircraft was all the rage. In particular the in the years between 1953 and 1956 the U.S. Patent Office was flooded with a deluge of patent requests for all manner of vehicles with a saucer or “UFO shape.” Even the military and NASA began experimenting with UFO-like vertical take-off and landing designs, to the point that Weygers even accused the Navy of patent infringement, and it was all inspired by the work that Weygers had pioneered. Although he had never created the discopter as a science fiction-themed project based around UFOs had never been on his radar at all, it got to the point where some skeptics were using this drive for making these vehicles as an explanation for the rash of UFO sightings reported through the late 1940s and 1950s.

    While all this was happening, Weygers himself sort of quietly faded into the background and took up a simple life once again, focusing mostly on sculpting and blacksmithing at his studio in Carmel. He managed to attract a good number of students, who came to learn blacksmithing from him, and he wrote some of the most important works on blacksmithing out there, The Making of Tools and The Modern Blacksmith. Weyger would distance himself from the whole UFO and flying disc craze that he had helped to spark, teaching until the age of 83 before dying in 1989 at the age of 87 as a relative recluse, having never seen his discopter created. It was a sad end for a man about who the San Francisco Chronicle once wrote:

    Alexander Weygers is a modern Leonardo da Vinci. He commands attention because he is a success by any standard of excellence in half a dozen professions… a sculptor of heroic dimensions, an inventor, a marine, mechanical, and aeronautic engineer, an artist with a camera, a designer and illustrator, and a virtuoso practitioner of endgrain half-tone wood engraving. He is also blacksmith, machinist, carpenter, electrician, plumber, toolmaker, and beekeeper. He is further a teacher and a reluctant prophet upon whom the admiring descend.

    In later years the property and work of Weyger would be meticulously restored and preserved by art collector and dealer, Randy Hunter, who by the time of his own death had bought up almost all of Weygers’ work and turned the place into a sort of museum and shrine in memory of the great inventor, which one can still visit today. In the end the story of Alexander Weygers is a long and tragic one , yet compelling and somewhat inspiring story that will no doubt serve to fuel the imagination for sometime to come.

    https://mysteriousuniverse.org/ }

    01-05-2020 om 17:05 geschreven door peter  

    0 1 2 3 4 5 - Gemiddelde waardering: 0/5 - (0 Stemmen)
    Categorie:MYSTERIES ( Fr, Nl, E)
    Klik hier om een link te hebben waarmee u dit artikel later terug kunt lezen.BIZARRE AUTOPSIE OP BUITENAARDSE MOGELIJK TOCH ECHT ( VIDEO )

    BIZARRE AUTOPSIE OP BUITENAARDSE MOGELIJK TOCH ECHT ( VIDEO )

    De bekendste gebeurtenis met betrekking tot ufo’s en buitenaardsen is toch wel de ufo crash bij Roswell in 1947.

    Talloze getuigenverklaringen hebben ervoor gezorgd dat deze gebeurtenis niet onder het tapijt werd geschoven, maar er zijn ook meer dan interessante beelden.

    In deze tijd van corona ellende is het ook wel leuk om eens naar wat anders te kijken en dat komt deze keer van de onvermoeibare ufoloog Scott Waring. Soms zit hij er finaal naast met zijn analyses, maar andere keren heeft hij toch heel interessante, kloppende informatie.


    Zoals deze keer over een autopsie uitgevoerd op een buitenaards wezen na de crash met de Roswell ufo in 1947. De crash was op 8 juli 1947 en de autopsie dateert van dezelfde maand.

    Nu circuleert er al langere tijd een video-opname op internet, maar daarvan wordt beweerd dat deze totaal nep zou zijn. Er is zelfs een Engelsman met de naam Ray Santilli die beweert verantwoordelijk te zijn voor het maken van deze nepvideo.

    Echter, nu komt er een interessante ontwikkeling want Scott Waring zegt dat hij zijn hele reputatie op het spel zet door te zeggen dat deze video wel degelijk echt is. Volgens hem is Santilli betaald door de CIA of MI5 door te zeggen dat hij die video heeft gemaakt, waardoor het publiek er nu van overtuigd is dat de video nep is. Scott zegt dat in de jaren vijftig de CIA een speciaal programma had (Project Bluebird), waarbij ze mensen betaalden om dingen te schrijven of te zeggen die erop wezen dat alles met betrekking tot ufo’s en buitenaardsen totale onzin was.

    Scott zegt dat er nog niet eerder een video is geweest die zo echt was en dat we hier absoluut met echte beelden te maken hebben. Hij geeft dan ook een aantal redenen waarom hij denkt dat het wel degelijk echt is.

    Deze video is gemaakt in 1947, in een tijd dat er nog geen sprake was van nep Youtube filmpjes. De eerste nepvideo’s verschenen pas in 2008 en mensen deden dat om zo geld te kunnen verdienen met advertenties.

    Scott heeft een uitgebreide analyse gedaan van de opname zelf en komt tot de conclusie dat het wel degelijk rond 1947 gefilmd moet zijn. Hij heeft de kwaliteit en kenmerken van de opname vergeleken met Hollywood films uit die tijd en de karakteristieken komen exact overeen.

    De techniek zoals die door de artsen wordt gebruikt tijdens de autopsie in de video is exact hetzelfde zoals een arts die in die tijd zou uitvoeren.

    De video toont de organen zodanig gedetailleerd op een manier zoals die pas in de jaren zeventig voor het eerst gebruikt werd.

    Niet alleen zie je in de video de autopsie op het buitenaardse wezen, maar je ziet ook metalen delen zoals die werden verzameld op de plek waar de ufo is neergestort. Tussen 16:58 en 19:43 zijn deze metalen delen zichtbaar met daarop duidelijk een soort buitenaards schrift.

    Rond 18:29 in de video zie je een stuk metaal afkomstig van de crash en je kunt zien aan het uiteinde van dit stuk metaal dat het onder grote druk is verbogen. Dit soort details komen alleen voor in echte opnames, want iemand die een nepvideo wil maken, neemt niet zoveel moeite om ook dat soort details helemaal goed te krijgen.

    Rond de 18 minuten in de video zie je het controlemechanisme van de ufo in een stuk metaal. Dit werd geactiveerd doordat de alien daar zijn hand op kon leggen en op die manier het ruimteschip besturen.

    xxx

    Nog een andere indicatie dat de opname echt is komt door de merktekens die op de stukken metaal zijn aangebracht zoals W-337 en W-130. Scott zegt dat dit merktekens zijn die betrekking hebben op de locatie van de alien, in dit geval Wright-Patterson Airforcebase in Ohio.

    Kortom, al met al is Scott er echt heilig van overtuigd dat deze opname echt is en hij zegt dat wat dat betreft niemand hem op andere gedachten kan brengen.

    Kijk en oordeel zelf of Scott gelijk heeft en we hier toch te maken hebben met een authentieke opname.

    Videos, geselcteerd door peter2011

    https://niburu.co/ }

    01-05-2020 om 16:32 geschreven door peter  

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    Categorie:NineForNews. nl ( new ipv NIBURU.nl) (NL)
    Klik hier om een link te hebben waarmee u dit artikel later terug kunt lezen.Astronomen leggen zeldzame beelden vast van planeetvormende schijven rond sterren

    Astronomen leggen zeldzame beelden vast van planeetvormende schijven rond sterren

    01-05-2020 om 16:08 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.Astronomen leggen precieze beelden van planeetvormende fracties rond sterren vast - HLN.be

    Astronomen leggen precieze beelden van planeetvormende fracties rond sterren vast - HLN.be

    Bron: Belga

    Illustratiebeeld, gemaakt door de de Hubble-telescoop.

     AFP PHOTO /EUROPEAN SPACE AGENCY/HUBBLE/NASA 
    Illustratiebeeld, gemaakt door de de Hubble-telescoop.
     Een internationaal team van astronomen, onder leiding van Jacques Kluska van het Instituut voor Sterrenkunde van de KU Leuven, is er voor het eerst in geslaagd om vijftien beelden vast te leggen van de binnenste randen van planeetvormende fracties rond jonge sterren op honderden lichtjaren van onze planeet. De beelden zijn belangrijk voor de studie van de vorming van planetenstelsels. 

    Om te begrijpen hoe planetenstelsels gevormd worden, moet gekeken worden naar hun ontstaan. Een jonge ster wordt gevormd als gas en stof opeenhopen in een interstellaire wolk, waarbij een deel blijft cirkelen in een baan rond de ster. De stofdeeltjes kunnen uitgroeien tot grotere lichamen, wat uiteindelijk leidt tot de vorming van planeten. Zo veronderstellen wetenschappers dat rotsachtige planeten zoals de aarde zich vormen in de binnenste regio’s van protoplanetaire schijven, minder dan vijf keer de afstand van de aarde tot de zon verwijderd van de ster waarrond de schijf is gevormd.

    Om dit proces te bestuderen zijn meer precieze beelden nodig dan die die tot nog toe gemaakt werden met de grootste enkelvoudige spiegeltelescopen, die niet in staat zijn om de kleinste details vast te leggen. Kluska en zijn collega’s konden de nieuwe beelden maken met de toepassing van een techniek genaamd infrarood-interferometrie, waarbij het licht van vier ‘very large telescopes’ uit de Europese Zuidelijke Sterrenwacht (ESO) in Chili gecombineerd wordt. Aan de hand van wiskundige berekeningen werd vervolgens het licht van de ster verwijderd die verhinderde om de schijven in detail te bekijken. 

    Het internationaal team zal nu verder onderzoek doen naar de mogelijke redenen achter de onregelmatigheden die in de beelden werden vastgesteld. Zo zijn sommige plekken helderder en andere minder helder, wat kan duiden op processen die tot planeetvorming kunnen leiden. 

    Kluska en co zullen verder nieuwe waarnemingen doen om een nog gedetailleerder beeld te krijgen en hierdoor getuige te zijn van de planeetvorming. Hij leidt ook een team dat onderzoek doet naar elf dergelijke schijven rond andere, oudere soorten sterren waarvan vermoed wordt dat die eveneens zullen evolueren tot planeten.

    {  https://www.hln.be/ }

    01-05-2020 om 15:42 geschreven door peter  

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    Categorie:HLN.be - Het Laatste Nieuws ( NL)
    Klik hier om een link te hebben waarmee u dit artikel later terug kunt lezen.Explorers Shocked To Find Unbelievable Things In The Middle Of No Where In The Desert

    Explorers Shocked To Find Unbelievable Things In The Middle Of No Where In The Desert

    De bronafbeelding bekijken

    Apparently a desert can look like a barren area of landscape with inhabitable living conditions but with all its lifelessness, deserts not only served as home to humans for centuries but also to various plants and animal species which have evolved over time. Approximately one-fifth of the Earth’s land area is covered with deserts, so it is not unusual to find natural habitat or man-made possessions. Today we are going to tell you about some of the most weird but yet wonderful things that have been discovered in the deserts.

    videos, by peter2011

    https://beforeitsnews.com/ }

    01-05-2020 om 15:11 geschreven door peter  

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    Categorie:MYSTERIES ( Fr, Nl, E)
    Klik hier om een link te hebben waarmee u dit artikel later terug kunt lezen.UFO video filmed in Bangkok, Thailand

    UFO video filmed in Bangkok, Thailand

    This UFO video was seen and recorded in the sky above Bangkok, the capital and most populous city of Thailand. It was filmed back in 2018 and just today submitted to us through our Facebook page.

    What do you think strange craft is? Please leave your comments below!

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

    01-05-2020 om 14:41 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.Possibly Active Tectonic System on the Moon Revealed by Research

    Possibly Active Tectonic System on the Moon Revealed by Research

    Strange spots scattered across the Moon’s nearside where bedrock is conspicuously exposed are evidence of seismic activity set in motion 4.3 billion years ago that could be ongoing today, the researchers say.

    Researchers have discovered a system of ridges spread across the nearside of the Moon topped with freshly exposed boulders. The ridges could be evidence of active lunar tectonic processes, the researchers say, possibly the echo of a long-ago impact that nearly tore the Moon apart. 

    Infrared (upper left) and other images from NASA’s Lunar Reconnaissance Orbiter revealed strange bare spots where the Moon’s ubiquitous dust is missing. The spots suggest an active tectonic process. 

    “There’s this assumption that the Moon is long dead, but we keep finding that that’s not the case,” said Peter Schultz, a professor in Brown University’s Department of Earth, Environmental and Planetary Sciences and co-author of the research, which is published in the journal Geology. “From this paper it appears that the Moon may still be creaking and cracking — potentially in the present day — and we can see the evidence on these ridges.”

    Most of the Moon’s surface is covered by regolith, a powdery blanket of ground-up rock created by the constant bombardment of tiny meteorites and other impactors. Areas free of regolith where the Moon’s bedrock is exposed are vanishingly rare. But Adomas Valantinas, a graduate student at the University of Bern who led the research while a visiting scholar at Brown, used data from NASA’s Lunar Reconnaissance Orbiter (LRO) to spot strange bare spots within and surrounding the lunar maria, the large dark patches on the Moon’s nearside.

    “Exposed blocks on the surface have a relatively short lifetime because the regolith buildup is happening constantly,” Schultz said. “So when we see them, there needs to be some explanation for how and why they were exposed in certain locations.”

    For the study, Valantinas used the LRO’s Diviner instrument, which measures the temperature of the lunar surface. Just as concrete-covered cities on Earth retain more heat than the countryside, exposed bedrock and blocky surfaces on the Moon stays warmer through the lunar night than regolith-covered surfaces. Using nighttime observations from Diviner, Valantinas turned up more than 500 patches of exposed bedrock on narrow ridges following a pattern across the lunar nearside maria.

    A few ridges topped with exposed bedrock had been seen before, Schultz says. But those ridges were on the edges of ancient lava-filled impact basins and could be explained by continued sagging in response to weight caused by the lava fill. But this new study discovered that the most active ridges are related to a mysterious system of tectonic features (ridges and faults) on the lunar nearside, unrelated to both lava-filled basins and other young faults that crisscross the highlands.

    “The distribution that we found here begs for a different explanation,” Schultz said.

    Valantinas and Schultz mapped out all of the exposures revealed in the Diviner data and found an interesting correlation. In 2014, NASA’s GRAIL mission found a network of ancient cracks in the Moon’s crust. Those cracks became channels through which magma flowed to the Moon’s surface to form deep intrusions. Valantinas and Schultz showed that the blocky ridges seemed to line up just about perfectly with the deep intrusions revealed by GRAIL.

    “It’s almost a one-to-one correlation,” Schultz said. “That makes us think that what we’re seeing is an ongoing process driven by things happening in the Moon’s interior.”

    Schultz and Valantinas suggest that the ridges above these ancient intrusions arestill heaving upward. The upward movement breaks the surface and enables regolith to drain into cracks and voids, leaving the blocks exposed. Because bare spots on the Moon get covered over fairly quickly, this cracking must be quite recent, possibly even ongoing today. They refer to what they’ve found as ANTS, for Active Nearside Tectonic System.

    The researchers believe that the ANTS was actually set in motion billions of years ago with a giant impact on the Moon’s farside. In previous studies, Schultz and a co-worker proposed this impact, which formed the 1500-mile South Pole Aitken Basin, shattered the interior on the opposite side, the nearside facing the Earth. Magma then filled these cracks and controlled the pattern of dikes detected in the GRAIL mission. The blocky ridges comprising the ANTS now trace the continuing adjustments along these ancient weaknesses.

    “This looks like the ridges responded to something that happened 4.3 billion years ago,” Schultz said. “Giant impacts have long lasting effects. The Moon has a long memory. What we’re seeing on the surface today is testimony to its long memory and secrets it still holds.”

    Contacts and sources:

    • Kevin Stacey
      Brown University


    Publication:

    • The origin of neotectonics on the lunar nearside. P.H. Schultz, A. Valantinas. Geology, 2020; DOI: 10.1130/G47202.1

    Explore further

    https://phys.org/ }

    01-05-2020 om 14:33 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.UFO Fleet Caught Passing Moon During Apollo 9 Mission! Photos, UFO Sighting News.

    UFO Fleet Caught Passing Moon During Apollo 9 Mission! Photos, UFO Sighting News.

    Date of discovery: Oct 26, 2013, but reposting new photo link
    Location of discovery: Passing Earths Moon
    Original source deleted: 
    New source photo: 
    Although I discovered this back in 2013, I had to check to make sure NASA didnt delete the source photo...and of course, they did. I did however find the same photo on the Wiki site. Lets see how long that lasts, shall we?

    Mission: Apollo 9, 179 Nautical Miles above Earth, or 324km in orbit. 
    Camera: HB Hasselblad, 80mm, 
    Film: Kodac Ektachrome, Frame 23 

    UFOs that were over 2-3 km long have been seen and reported by pilots and other eyewitnesses, I myself have reported UFOs in NASA photos on the moons surface that were about 10km across in comparison with the nearby crater who's diameter is known. Here again are three UFOs, long and giant in size flying past the moon and recorded by none other than NASA! Its a glitch, a scratch, a cheap lens on your scope...sorry boys, NASA buys only the best quality and highest performance parts for its observations, but thank you for playing. Scott C. Waring - Taiwan

    Videos, by peter2011

    https://www.etdatabase.com/ }

    01-05-2020 om 12:48 geschreven door peter  

    0 1 2 3 4 5 - Gemiddelde waardering: 0/5 - (0 Stemmen)
    Categorie:UFOs , UAPs , USOS
    Klik hier om een link te hebben waarmee u dit artikel later terug kunt lezen.dDeclassified Pentagon Videos Explainesd

    Declassified Pentagon Videos Explained

    Just published for Den of Geek, Alejandro Rojas sat down with army veteran Colonel John Alexander and author Robert Powell to break down the Department of Defense’s recently declassified UFO videos, now formerly released by the Pentagon

    https://podcastufo.com/ }

    01-05-2020 om 01:48 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.What is a fogbow?

    What is a fogbow?

    Fogbows are rainbows’ cousins – made by much the same process – but with the small water droplets inside a fog instead of larger raindrops.

    White rainbow in misty air over a wooded landscape.

    View larger at EarthSky Community Photos. | Peter Lowenstein caught this fogbow in Mutare, Zimbabwe, on April 29, 2020. He wrote: “Half-an-hour after the Sun rose behind my house on Wednesday, a beautiful fogbow developed in the middle of a misty morning view from my front veranda. All the conditions were right – bright sunshine from the rear with the Sun less than twenty degrees above the horizon and clearing clouds of mist at the antisolar point. The scene was framed by a beautiful flowering Poinsettia to the left, a lush banana grove to the right, and clear blue sky beginning to appear on top!”

    Fogbows – sometimes called white rainbows, cloudbows or ghost rainbows – are made much as rainbows are, from the same configuration of sunlight and moisture. Rainbows happen when the air is filled with raindrops, and you always see a rainbow in the direction opposite the sun. Fogbows are much the same, always opposite the sun, but fogbows are caused by the small droplets inside a fog or cloud rather than larger raindrops.

    Look for fogbows in a thin fog when the sun is bright. You might see one when the sun breaks through a fog. Or watch for fogbows over the ocean.

    Because the water droplets in fog are so small, fogbows have only weak colors or are colorless.

    Fogbow - aka a white rainbow - over a desert landscape.

    View at EarthSky Community Photos. | Alan Nicolle in New South Wales, Australia, captured this image on July 16, 2019. He wrote: “I was out geocaching in the outskirts of Broken Hill, when I turned back to see this fogbow developing. I took quite a few photos with the iPhone, and rode back to the car on my bike, but by the time I got back to the car to use my SLR, it had faded.” Thank you, Alan!

    Faint white arc over rolling green landscape and straight country road.

    Edith Smith in Aberdeenshire, Scotland, captured this fogbow on November 1, 2018. She wrote: “The camera spotted it before I did with eye, as I was too engrossed in foggy conditions.”

    Diffuse white arc above bucolic scene of farmworkers in brushy field near dirt road.

    Tommy Johnson captured this early morning fogbow near Jonesport, Maine, in August 2016. He wrote: “Early in the morning and blueberry rakers are starting to fill their buckets with the fruit. I called out to them to look at the fogbow, it was the first time any of us had seen one.”

    Diffuse white arc in slate blue dawn sky.

    Wonderful fogbow caught by Robyn Smith in New Zealand on the morning of September 19, 2017 “… opposite the foggy sunrise.”

    Partial white arc over bucolic scene with white fence and barn in distance.

    GregDiesel Landscape Photography wrote in October 2015: “Saw my first fogbow / white rainbow. Photo taken with cell phone. Moyock, North Carolina.”

    Diffuse white arc over rocky seacoast with white lighthouse in distance.

    Katherine Keyes Millet captured this fogbow in July 2014 at Winter Island Park in Salem, Massachusetts.

    Very diffuse whit arc over blurry gold city lights, 2 bright dots in sky over fogbow.

    Venus and Jupiter above a fogbow in Blacklough, Dungannon, Ireland. Mars is up there, too, but tough to see. John Fagan captured them all in October 2015.

    Cloudy-looking white arc over bright green field bordered with trees.

    Eileen Claffey in Brookline, Massachusetts, captured this fogbow over a field in September 2014.

    Les Cowley of the great website Atmospheric Optics says:

    Look away from the sun and at an angle of 35-40 degrees from your shadow which marks the direction of the antisolar point. Some fogbows have very low contrast so look for small brightenings in the misty background. Once caught, they are unmistakable.

    The sun must be less than 30-40 degrees high unless you are on a hill or high up on a ship where the mist and fogbow can be viewed from above.

    Fogbows are huge, almost as large as a rainbow and much, much broader.

    Look here for Les Cowley’s explanation of how fogbows form.

    White arc in dark blue sky reflected in a lake.

    Thomas Kast in Finland captured this fogbow in 2013. He wrote: “In this rather cold August night (+8C [46F]) there was patchy fog, especially in open fields. This lake remained clear for a long time. At one point I saw this white bow with moon in waning gibbous phase behind me.”

    Rocks on seacoast with faintly colored whitish arc nearly touching them on left, higher on right end.

    Jim Grant caught this fogbow over Sunset Cliffs in San Diego. He wrote: “The skies were sunny and clear, and then the fog rolled in, and with it this beautiful fogbow.”

    Pale arc over fog over brown stubbly field past a wire fence.

    Lynton Brown of Australia captured this fogbow over a barren field in the autumn of 2012.

    • Bottom line: Fogbows are made by much the same process as rainbows, but with the small water droplets inside a fog instead of larger raindrops. Because the water droplets in fog are so small, fogbows have only weak colors or are colorless.

    https://earthsky.org/ }

    01-05-2020 om 01:05 geschreven door peter  

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    Categorie:Diversen (Eng, NL en Fr)
    Klik hier om een link te hebben waarmee u dit artikel later terug kunt lezen.Will Dragonfly find dust devils on Titan?

    Will Dragonfly find dust devils on Titan?

    Earth and Mars both are known to have swirling dust devils moving along their surfaces. Saturn’s large moon Titan might have them, too, according to a new study. If so, NASA’s planned Dragonfly mission will be able to find them.

    Long dark parallel ripples on lighter brown surface.

    Titan has vast fields of sand dunes, similar to those on Earth and Mars. New research suggests that dust devils might play a role in their formation.

    Image via NASA/ JPL-Caltech/ Sci-News.com.

    Dust devils – short-lived whirlwinds filled with dust grains – are common on Earth, and even on Mars, where various rovers and orbiters have observed them many times. Now there’s another world in the solar system where dust devils might roam, according to a new study from researchers at Boise State University in Idaho. It’s Saturn’s large moon, Titan! And NASA’s planned Dragonfly mission – a drone-like flying robot able to perform vertical-takeoffs and landings – will be able to find them.


    The intriguing possibility of dust devils on Titan was the subject of a recent post in AGU Blogosphere by Liza Lester of the American Geophysical Union. The new peer-reviewed paper detailing the dust devil research was published in Geophysical Research Letters on March 3, 2020.

    From the paper:

    Saturn’s moon Titan may host active dust devils, small dust-laden plumes, which could significantly contribute to transport of dust in that moon’s atmosphere. Although the exact nature of dust on Titan is unclear, previous observations confirm that there is actively blowing dust on that world. If dust devils are active on Titan’s surface, NASA’s upcoming Dragonfly mission is likely to encounter them, but dust devils on Titan are unlikely to pose a hazard to the mission.

    The arrival of NASA’s Dragonfly mission on Titan in 2034 presents the prospect of probing extraterrestrial vortices in a similar way to these field studies, although encounters will probably occur primarily while Dragonfly is on the ground. However, Titan’s relevant meteorological conditions suggest that vortex encounters, if in-flight, may occur a few times during Dragonfly’s daily flight. The low wind speeds expected for dust devils on Titan mean they will pose little to no hazard to the mission. However, Dragonfly will spend most of its time on the ground, including during Titan’s midday when vortices are most likely to be active, and so encounters will probably occur on the ground every few Earth hours instead. In this case, they will likely resemble encounters on Mars by landed spacecraft. Even then, though, the imagery and meteorological data collected by Dragonfly during encounters may break new ground in aeolian studies by showing how they operate in a new aerodynamic environment.

    Orange sphere in crescent phase with smaller, cratered gray sphere in front of it on black background.

    Titan with Mimas in the foreground, as seen by Cassini on June 16, 2011. Like Earth and Mars, a new study suggests that Titan has dust devils.

    Image via NASA/ JPL-Caltech/ Space Science Institute/ Sci-News.com.

    It’s been known for some time now, thanks to the Cassini mission to Saturn and its moons, that Titan has vast expanses of sand dunes (composed of organic hydrocarbon particles, unlike Earth and Mars). Winds on Titan are typically rather weak, but the dune particles do get transported around, and dust devils might be an ideal mechanism for that to happen. As Brian Jackson, a planetary scientist at BSU, said in a statement:

    Winds at the surface of Titan are usually very weak. Unless there is a big storm rolling through, there’s probably not that much wind, and so dust devils may be one of the main dust transport mechanisms on Titan, if they exist.

    So far, dust devils haven’t actually been seen yet on Titan, but meteorological models, based on data from the Huygens probe which landed on Titan in 2005, suggest they should be possible. Jackson said:

    When we plug the numbers in for how much dust the dust devil ought to lift based on the wind speeds we see, they seem to be able to lift more dust than we would expect. There may be some other mechanism which is helping them pull this dust, or the equations are just wrong.

    Drone-like machine with four small sets of helicopter blades flying over brownish desert with orangish sky.

    Artist’s concept of Dragonfly soaring over Titan’s surface.

    Image via NASA/ JHUAPL/ NPR.

    On Earth, dust devils are very common (I remember even being briefly caught in a small one when I was a kid). In order to get more insight into how earthly dust devils form, Jackson and his colleagues studied ones in southeastern Oregon’s Alvord Desert, using small airborne drones carrying meteorological instruments. Those findings can be compared with observations of dust devils on Mars. According to Jackson:

    We can watch dust devils skitter across the surface of Mars and see what their internal structure is like, but that doesn’t tell us how much dust they are lifting. Mars’ atmosphere is really, really dusty and dust plays an important role in the climate. Dust devils are probably, if not the dominant mechanism, one of the most important mechanisms for lofting the dust.

    Mars’ atmosphere is extremely thin, yet dust devils can still reach a height of 5 miles (8 km). This is especially true during the Martian summer. Mars is very dusty – dust is literally everywhere – and that dust can be carried all over the planet despite the thinness of the atmosphere. The planet even experiences periodic global dust storms.

    So how does this apply to Titan?

    Titan has a thick atmosphere. It’s even thicker than Earth’s. But it only has one-seventh the gravity of Earth. Because of this, winds on Titan tend to be a lot gentler than those on Earth or even Mars. Jackson said:

    It’s just this enormous, puffy atmosphere. When you’ve got that much air it’s hard to get it churning. So you just don’t usually get big winds on the surface of Titan so far as we know.

    Since, as far as we know, Titan doesn’t have raging wind storms, smaller dust devils might be a good way to transport the hydrocarbon particles and create the massive dune fields. In this way, Titan would be similar to Mars, even though there are such large differences in atmospheric density and composition, wind speed and sand composition between the two worlds.

    It will be a while before we can learn more about dust devils on Titan, and whether they even do actually exist. Dragonfly doesn’t launch until 2026, and won’t arrive at Titan until 2034. The Cassini mission, which ended in 2017, was the most recent to visit Saturn and its moons, with no other missions upcoming until Dragonfly.

    Man with hand on cylinder in classroom with other male and female scientists in background.

    Brian Jackson at Boise State University (BSU), the lead author of the new study.

    Image via BSU.

    If Dragonfly does find dust devils, it will be fascinating to compare them to the ones on Earth and Mars. This is especially true since Titan is remarkably similar to Earth in some ways, with its rain, rivers, lakes and seas, albeit composed of liquid methane and ethane instead of water. Combined with the sand dunes, you could almost mistake the landscape seen in images sent back as being on Earth, if it weren’t for the smoggy-looking orange-ish sky. Dust devils would add to that already somewhat eerie – yet oddly reminiscent – alien landscape.

    https://earthsky.org/ }

    01-05-2020 om 00:37 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.ASTRONAUTS TO USE BRIEFCASE-SIZED FLASHLIGHT ON THE MOON

     ASTRONAUTS TO USE BRIEFCASE-SIZED FLASHLIGHT ON THE MOON

    The lunar flashlight is the light in the darkest of craters.

    Humans are returning to the Moon and this time, they're planning to stay longer. NASA's upcoming 2024 Artemis mission aims to set up a sustainable presence of astronauts on the Moon, and one that might launch astronauts to Mars.

    Future astronauts need to pack the right tools that will help them fend for themselves on the lunar surface. And if the right tools don't exist, NASA had to invent them.

    That's why NASA is sending Lunar Flashlights to the Moon to hunt for icy water deposits.

    The Lunar Flashlight is in the form of a CubeSat, a small satellite about the size of a briefcase, and will be used to shine a light on the Moon's dark craters that are spread out across its bumpy surface.

    The Lunar Flashlight will point its laser at the Moon's dark craters, hoping to find water.
    NASA/JPL-Caltech

    Previous investigations have proved that these craters have one very valuable resource, water. In 2018, NASA confirmed that ancient deposits of ice can be found in the Moon's dark craters at its southern and northern poles.

    And that's exactly what the astronauts are after. Water is not only an important resource for astronauts' daily activities like drinking and showering, but it could also be used to make propellant fuel for spacecraft.

    In order to find the water, the Lunar Flashlight was designed to detect surface ice at the bottom of craters on the Moon. The Lunar Flashlight will scan the Moon's South Pole over a period of two months, swooping in at low altitudes to shine its lasers into the craters and probe for surface ice, according to NASA.

    "A technology demonstration mission like Lunar Flashlight, which is lower cost and fills a specific gap in our knowledge, can help us better prepare for an extended NASA presence on the Moon as well as test key technologies that may be used in future missions," John Baker, Lunar Flashlight project manager at NASA's Jet Propulsion Laboratory, said in a statement.

    The Lunar Flashlight has a four-laser reflectometer, which will use near-infrared wavelengths that are readily absorbed by water to identify ice hidden within the craters. That means, if the laser reflects back to the spacecraft, then there's no water and it's just bare rock. However, if the light is absorbed, then that means there is a layer of icy water hidden on the lunar surface.

    The more the light is absorbed, the more ice there may be on the surface.

    Therefore, the Lunar Flashlight will not only aid the astronauts on their mission to the Moon, it will also provide scientists with valuable information on how much water could be frozen on the lunar surface.

    "We will also be able to compare the Lunar Flashlight data with the great data that we already have from other Moon-orbiting missions to see if there are correlations in signatures of water ice, thereby giving us a global view of surface ice distribution," Barbara Cohen, principal investigator of the mission at NASA's Goddard Space Flight Center in Greenbelt, Maryland, said in a statement.

    The Lunar Flashlight will launch onboard Artemis I, slated for a 2021 launch date. Artemis I kicks off the entire mission, but there will be no humans onboard this spacecraft. Instead, Artemis I is an uncrewed test flight of the Orion spacecraft that will eventually take humans to the Moon.

    https://www.inverse.com/ }

    01-05-2020 om 00:14 geschreven door peter  

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    Categorie:ASTRONOMIE / RUIMTEVAART
    30-04-2020
    Klik hier om een link te hebben waarmee u dit artikel later terug kunt lezen.Building blocks of life found in famous Mars meteorite

    Building blocks of life found in famous Mars meteorite

    30-04-2020 om 23:41 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.‘Riviermonster’ Spinosaurus, de eerste bekende dinosaurus die in het water leefde - HLN.be

    ‘Riviermonster’ Spinosaurus, de eerste bekende dinosaurus die in het water leefde - HLN.be

    Joeri Vlemings 

    Bron: National Geographic

    Een grafische voorstelling van de Spinosaurus.

     Getty Images/Science Photo Libra 
    Een grafische voorstelling van de Spinosaurus.

    Maak kennis met de Spinosaurus aegyptiacus, de eerste dinosaurus waarvan wetenschappers hebben bewezen dat hij in het water leefde. Dat blijkt uit een nieuwe studie in Nature. “De nieuwe ontdekking verandert onze huidige kennis over de diversiteit van dinosauriërs in het algemeen en over de Spinosaurus in het bijzonder”, schrijft National Geographic daarover. Een ‘riviermonster’ noemen ze dit uitgestorven, gigantische roofdier van 15 meter lang, met een krokodillenkop.

    De conclusie van het nieuwe onderzoek is dat de Spinosaurus zich tijdens het jagen in het systeem van rivieren dat zijn leefgebied destijds kenmerkte, bediende van een ’staartaangedreven voortbeweging door het water’.  Dat dit kon worden aangetoond, is een wetenschappelijke primeur, meldt National Geographic.

    Voor het bredere publiek dook de Spinosaurus aegyptiacus voor het eerst op in 2001 in de film ‘Jurassic Park III’. Maar de échte versie van deze dino leefde waarschijnlijk in Noord-Afrika tijdens het Krijt, zo’n 112 tot 93,5 miljoen jaar geleden. 

    In 2014 leidde paleontoloog en National Geographic-avonturier, dr. Nizar Ibrahim van de universiteit van Detroit Mercy, een team van wetenschappers in de Kem Kem-regio van de Marokkaanse Sahara om er fossiele overblijfselen van de Spinosaurus te onderzoeken. Ze ontdekten dat een volwassen Spinosaurus tot 15 meter kon worden, langer dan de Tyrannosaurus rex. Nog belangrijker: Ibrahim en kornuiten vermoedden ook dat de Spinosaurus een roofdier was dat van water hield.

    De plaats van opgraving in het Kem Kem-gebied in de Marokkaanse Saharawoestijn.

     via REUTERS 
    De plaats van opgraving in het Kem Kem-gebied in de Marokkaanse Saharawoestijn.

    Maar bewijzen konden ze dat niet, ook niet nadat het skelet van de reusachtige dino was gereconstrueerd. In de vijf daarop volgende jaren verzamelde het wetenschappelijke team nog meer fossielen van het skelet, waaronder “een opmerkelijk complete, vinachtige staart, in staat tot uitgebreide zijwaartse bewegingen en gekenmerkt door extreem lange stekels”.

    In 2018 keerden de onderzoekers terug naar de plaats van opgraving in Marokko. Hun bevindingen werden gisteren eindelijk wereldkundig gemaakt. De bizarre Spinosaurus gaat de geschiedenis in als de eerste bekende zwemmende dinosauriër. Daar wijst de “gigantische knokige peddel” op, zoals National Geographic de staart omschrijft. “Deze staart is de meest extreme aanpassing aan het water die we ooit bij een grote dinosaurus zagen.”

    De kop van de Spinosaurus lijkt op een krokodil.

    via REUTERS 

    De kop van de Spinosaurus lijkt op een krokodil.

    Een levensgroot model van de Spinosaurus bij het gebouw van de National Geographic Society in Washington.

     REUTERS 

    Een levensgroot model van de Spinosaurus bij het gebouw van de National Geographic Society in Washington.

    Het skelet van een Spinosaurus in het Natural History Museum in Berlin.

     REUTERS 

    Het skelet van een Spinosaurus in het Natural History Museum in Berlin.

    Video's, geselecteerd door peter2011

    https://www.hln.be/ }

    30-04-2020 om 22:17 geschreven door peter  

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    Categorie:HLN.be - Het Laatste Nieuws ( NL)
    Klik hier om een link te hebben waarmee u dit artikel later terug kunt lezen.First Contact: What Would Intelligent Alien Life Look Like?

    First Contact: What Would Intelligent Alien Life Look Like?

    Throughout science fiction books, comics, and movies we have been treated to a never ending menagerie of alien beings taking a vast number of forms. In the old days budget constraints for TV and films meant that usually aliens looked at least a little, well, human. In more modern times computer effects have made things a little more bizarre, but still mostly aliens are portrayed as at least something we can understand or relate to at least on a basic level. It is all indicative of our intense curiosity as to what alien life, and in this case intelligent spacefaring life, would actually look like. If a spaceship came down tomorrow and opened up a door, what would step out? Would it be something like us, or something beyond anything we have ever imagined? It is a question we have no way to answer, but there has been quite a lot of speculation on the appearance of aliens, and here we will take a look.

    So, if we were to meet aliens what could we realistically expect them to physically look like? What form would they take and how would they interact with the world around them? The answers to this seem to be as varied as the people who ponder the question, and there are several ways that the discussion can head. On one side we have the idea that since they have evolved from a different lifeform and on a completely different alien world, they would look nothing like us, and could be beyond what we can even imagine. There have been all manner of ideas on this, ranging from that they might not be even carbon based to that they don’t have DNA, live in an invisible wavelength we can’t see, or that we might not even recognize them as life within our own definition of the term at all. One science fiction author by the name of Aaron Rosenberg explains of this idea:

    Living beings evolve in response to their environment. We grew opposable thumbs so we could better grasp objects. Monkeys developed prehensile tails for the same reason. We have eyes because light breaks down into the visible end of the electromagnetic spectrum here. But if we had occurred on a completely different world, with different temperatures and topography and flora and fauna, we would have evolved differently. And if that other world had a completely different chemical composition, so would we. All life on Earth is carbon-based, but that wouldn’t be the case elsewhere. Life forms could be silicon-based or iron-based or anything else at all. They could have any number of arms and legs—or none at all.

    Perhaps life on other planets evolved without physical form or with no fixed form—perhaps there are aliens who are nothing more than sentient clouds, or who have mutable bodies that can alter to suit the needs of the moment. Maybe they can sail through space unaided, and use stellar radiation for a food source and a sensory array, detecting changes in the radiation the same way bats detect sound waves. Who needs eyes and ears when your entire being resonates? Who needs a distinct brain when your consciousness is spread throughout just like our nerve endings are with us? Why have skin when your form is held together by electrostatic shock and mental control, and can condense or expand at will?

    There are plenty of creatures here on Earth that are so astoundingly different from us that we can barely comprehend them. Try watching an octopus pull itself through a tiny crack in a glass tank sometime, or examine a tobacco hornworm, or look at a praying mantis up close. Then think about how small our planet is compared with the universe as a whole—it’s like finding the weirdest shaped M&M in the bag, and then realizing that you’re in an entire candy store filled with literally thousands of other kinds of candy, most of which you’ve never even heard of before. A real alien would be so far from anything we’ve ever imagined that we would barely be able to comprehend its existence. And we would seem just as completely, bafflingly bizarre to it.

    The thrust of the idea here is that aliens would be, well, completely alien to us, perhaps even incomprehensibly so, and that all bets are off when trying to expect how they would appear to us. One only needs to look at some of the incredibly different and even seemingly alien forms of life on our own planet to know that something from another world could be vastly different from us. However, we are talking about intelligent life here that has created a civilization and reached out across the stars to meet us, and so the opposite side of this argument is that, although they would certainly be quite different from us, there are certain constants that we could expect that would match up with us as well, and we can perhaps make an educated guess as to what they might be like.

    There have been many suggestions for certain criteria that any intelligent, space-faring race would likely conform to, boxes to tick, so to speak. For one, although they would be coming from far, far away, they would nevertheless follow the same laws of physics and chemistry as us, as that is a constant across the universe, at least this one. Prof Peter Ward, a paleontologist at the University of Washington, explains of this, “On any planet in the Universe the laws of physics and chemistry will still be the same as here. There’s only a limited number of ways to beat physics.” One of the other very basic things we could expect from an alien being is that it would likely be bilaterally symmetrical, that is with one half mirroring the other to at least some extent. Every form of life on Earth is this way, and even inanimate objects such as crystals, and even whole galaxies, so following this seemingly universal constant they would probably be at least symmetrical to a degree.

    Because of the universal physics involved, there would also probably be some broad rules of ecology in place that they would have to have overcome in specific ways. For instance, they would need a way of gaining energy, of hunting and eating, as well as sensory organs to perceive the world around them, and they would have to obey the rules of gravity, ambient density, and having a source of energy. They would need some way to reproduce and propagate their species and they would have to out compete other species in the same environment to last long. In other words, no matter where the aliens are from, they would basically have to overcome the same basic physical and evolutionary constraints as us. There are only so many ways to move around or get food, look at how similar some swimming or flying species are on Earth, no matter how genetically different, think bats and birds or sharks and dolphins. Some ways just work better, and evolution would have weeded out the inefficient ones in the face of competition from other species. In many opinions, these hypothetical aliens also would have probably evolved from predators, meaning they would probably have stereoscopic vision, which allows the judgement of distance, meaning more than one eye on the front of the head, and they would likely be mobile rather than a sedentary plant-like species. They would have also likely would have had to become the dominant lifeform on their world, so probably not microscopic or unduly frail. The renowned theoretical physicist Michio Kaku has said of this:

    In all likelihood, intelligent aliens in space will have descended from predators that hunted for their food. This does not necessarily mean that they will be aggressive, but it does mean that their ancestors long ago might have been predators. We may be well served to be cautious.

    Another constant they would probably exhibit is that they would have something that passes for a brain, and that it would be encased in some sort of protective shell, be that a skull, exoskeleton, or whatever, and this brain would also probably be held high off the ground. The aliens would need some way to breathe, and some form of locomotion that would have to have at least been fast enough to have allowed them to hunt and survive on their own planet to become an evolved species. These would probably come in the form of some sort of legs if the alien is land-based, and there would be some sort of covering over the body that we could recognize as “skin” of a sort. Harry E. Keller, a chemistry professor at Northeastern University has spoken of these two points with Popular Mechanics, saying:

    Legs? Most certainly. Other means of locomotion will be relatively slow and be relegated to armored animals and of those living in holes. Neither of these lifestyles will lead naturally to greater intelligence. How many legs? In our case, we adapted the forelegs for manipulation from animals with four legs. No land animals with endoskeletons have more legs. The implication is that aliens with two legs are more likely than those with four.

    Fur? Hair? Feathers? Scales? Something else truly alien? The skin covering could be anything that makes sense. Real feathers are not so likely. Because feathers are used for flight, brains will be small. Scales are unlikely because they are particularly well-adapted for ectotherms, although a scaly sort of skin might be possible. Fur versus hair is hard to sort out because of my inherent bias. Fur has good reasons for being that are not related to intelligence. If furry, our aliens probably have short fur.

    In order to make tools and manipulate their technology, they would have to have evolved some sort of appendages with fine movement control. This doesn’t necessarily have to be fingers and a thumb like we have, but some grasping appendages of some sort, something akin to what we would recognize as their version of digits. These appendages would also likely be freed up for use, meaning they might be recognizably bipedal. They would also need some sort of analog of sensory organs to perceive their surroundings, such as eyes, nose, and ears, as well as some way to procure energy, in short, a mouth, probably near the eyes where they can see what they are trying to eat. As for these eyes, there would probably be at least two eyes facing forward, for that stereoscopic vision we talked about earlier, and there aren’t a whole lot of other viable ways to achieve that. The eyes would likely be recessed, and there would likely be some way to cover and protect them. These eyes would also probably be close to the brain, so as to minimize the time of signal transmission. They would be attuned to the spectrum of their own sun, and may look very different from our own eyes, but they would likely be at least recognizable as such. In addition to all of this, they would need a way to produce sounds or signals for some form of communication and crucially, language, as any spacefaring society would need a way to convey complex information to each other, although that potentially holds therein its own problems. Some other theories of what intelligent civilizations of aliens would need even go so far as to say that they would likely not have evolved underwater because they would need to have developed a mastery of fireto progress to that stage.

    To sum it all up, when faced with the same physics, physical requirements for survival, evolutionary constraints, and criteria for developing tools and technology, in this idea, with any aliens who flew starcraft to Earth we could probably expect to see land based, symmetrical beings with recognizable sensory organs, limbs, and other features with some analog to what we know of, and so would not be as completely, absurdly outlandish as others would have us believe. They would most certainly not look like humans, and of course depending on the gravity and specifics of their atmosphere and world at large they would look very different in various ways, but the point here is that they perhaps they would not be so mind-bogglingly, impossibly and vastly different from life as we know it and understand it to be. However, this is all assuming they are even from this dimension at all, because if they were from a completely different universe, possibly even with different laws of physics, then we can probably throw all of this out the window.

    Of course, this is all assuming that the aliens are even organic lifeforms at all. There has in recent years been increasing speculation that space-going aliens that make it to Earth might not be biological organisms at all, but rather very advanced robots. These machines might have been sent here by their creators or might even be a self-replicating race of robots that usurped their biological makers, with their originators perhaps even distant, long gone prehistoric faded memories for them. It makes sense, as it would be the next step up in evolution from the confines of biology, and robots would be perfect for the rigors of space and the vast distances involved with travelling to other worlds. However, if they were robotic, then all bets would probably be off as far as appearances go, and they might display design choices that truly are beyond comprehension, although they would still have to follow our same laws of physics. Professor Susan Schneider from the University of Connecticut and the Institute for Advanced Studies at Princeton thinks that such robotic alien civilizations could feasibly be billions of years old, and has said:

    I do not believe that most advanced alien civilizations will be biological. The most sophisticated civilizations will be post-biological, forms of artificial intelligence or alien superintelligence. Other civilizations may be vastly older than us – earthlings are galactic babies. All lines of evidence converge on the conclusion that the maximum age of extraterrestrial intelligence would be billions of years, specifically ranges from 1.7 billion to 8 billion years.

    In the end, it is hard to really get a handle on how intelligent spacefaring aliens would look, as we really only have one example to compare them to- us. All of our ideas on extraterrestrial life and how to find it revolves around our basic presumption that they would meet the criteria for life as we know it, but there is of course the possibility that this is not true at all. Indeed, there is a vocal contingent that thinks the reason we have not found alien life out in the universe despite all of our efforts is that we are looking in the wrong places and in the wrong way. Maybe our own definition of life is the rarity rather than the norm, and perhaps we have to change our perceptions. Only time will tell.

    In the meantime, we are left to speculate. What will intelligent alien life from another planet look like if we ever make that first contact? Would they look in some way like us and life as we know it, or would it be incomprehensibly and unfathomably alien? Would we even be able to recognize it as life at all? We can guess, extrapolate, speculate, and debate it all we want, but the only way it seems we are ever going to get the real answer is when that ship lands and they step, slither, or float out into the light.

    https://mysteriousuniverse.org/ }

    30-04-2020 om 21:36 geschreven door peter  

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    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.Hundred million-year-old 'river monster' with a powerful fin-like tail is discovered in the Sahara - proving that dinosaurs DID live underwater

    Hundred million-year-old 'river monster' with a powerful fin-like tail is discovered in the Sahara - proving that dinosaurs DID live underwater

    • The dinosaur — called Spinosaurus aegyptiacus — had a powerful flat tail  
    • It spent most of its life underwater and was well adapted to hunting in rivers  
    • Adults reached 50ft long and weighed as much as 20 tonnes when fully grown 
    • Part of a tail was found fossilised in Morocco which revealed the animal swam 
    • It is the first direct evidence of an aquatic dinosaur and proves they conquered both land and water 

    The first ever evidence of a dinosaur which swam, lived and hunted underwater has been discovered in the now-barren wilderness of the Saharan desert. 

    But 100 million years ago this region would have been a lush oasis interspersed with rivers and waterways teeming with life.

    And lurking beneath the surface, sitting atop the entire food chain, was a fearsome aquatic dinosaur.  

    The river monster — called Spinosaurus aegyptiacus — powered through the water with a fin-like tail and captured slippery prey with six-inch long conical teeth.

    A fossilised tail of a juvenile of the species, which belongs to the therepod group, the same as the T-rex, was found in modern-day Morocco. 

    Adults are known to reach up to 50ft long and weigh up to 20 tonnes but this specimen had yet to reach its full size, measuring 35ft from snout to tail and weighing around four tonnes.

    Fully-grown individuals had no natural predators, but researchers say juveniles may have been at risk from giant fish and enormous prehistoric crocodiles. 

    The researchers who led the project and discovered the fossil deemed this hostile marine world 'the river of death'.   

    A 3D rendering of Spinosaurus hunting a group of sawfish. Spinosaurus powered through the water with a fin-like tail and captured slippery prey with six-inch long conical teeth

    A 3D rendering of Spinosaurus hunting a group of sawfish. Spinosaurus powered through the water with a fin-like tail and captured slippery prey with six-inch long conical teeth

    Pictured, an artist's impression of two Spinosaurus hunting sawfish from National Geographic. Adults are known to reach up to 50ft long and weigh up to 20 tonnes but this specimen had yet to reach its full size, measuring 35ft from snout to tail and weighing around four tonnes

    Pictured, an artist's impression of two Spinosaurus hunting sawfish from National Geographic. Adults are known to reach up to 50ft long and weigh up to 20 tonnes but this specimen had yet to reach its full size, measuring 35ft from snout to tail and weighing around four tonnes

    Pictured, part of the tail discovered in modern-day Morocco. The newly discovered tail of Spinosaurus aegyptiacus shows it was well adapted to an aquatic lifestyle

    Pictured, part of the tail discovered in modern-day Morocco. The newly discovered tail of Spinosaurus aegyptiacus shows it was well adapted to an aquatic lifestyle

    How the fearsome  Spinosaurus hunted underwater

    Spinosaurus could grow up to 50ft long and weigh up to 20 tonnes. 

    The beasts were so large and fearsome that the adults of the species had no natural predators. 

    It had several adaptations that allowed it to survive and hunt underwater. 

    Its nostrils were far back on its head, allowing it to breath with only a small portion of its head poking above the water level. 

    Its bones were extremely dense, similar to penguins, which allowed it to carefully control its position in the water, striking a careful balance between buoyancy and submersion. 

    Large, flat feet that were most probably webbed allowed it to lumber across the soft land around the river banks, while locomotion in water was similar to crocodiles. 

    Its flat tail moved laterally and propelled the dinosaur forward.   

    It was a therepod, the same group of dinosaurs that includes dinosaurs. 

    It is the only dinosaur that is known to have swum and had huge jaws packed with six inch long razor sharp teeth. 

    The teeth were conical and not blade-like, which were well adapted to hold on to the slippery prey it hunted. 

    Its snout is more similar to that of crocodiles than to other predatory dinosaurs. This housed sensory structures able to capture the waves produced by swimming prey.

    This organ functioned like a sonar - allowing the animal to hunt even in murky waters.  

    Around the time of Spinosaurus, several other reptile groups had mastered the water, including ichthyosaurs, but no dinosaurs.

    The newly discovered tail of Spinosaurus aegyptiacus shows it was well adapted to an aquatic lifestyle. 

    Two foot long struts on the main vertebrae broaden the tail into a paddle-like shape.  

    Dr David Unwin, Reader in Palaeobiology at the University of Leicester, who was involved in the research, said: 'The Spinosaurus' fin-like tail is a game changing discovery for us that fundamentally alters our understanding of how this dinosaur lived and hunted – it was actually a "river-monster".

    'As well as its tail, many other features of this dinosaur, such as the high position of the nostrils, heavy bones, short legs, and paddle-like feet point to a life spent in the water rather than on land.

    'Not only did dinosaurs dominate the land and take to the air as birds, they even went back into the water and became the top predators there as well.'

    The study, published today in the journal Nature, comes to the conclusion that this animal was a truly water-dwelling, tail-propelled dinosaur which likely spent most of its life underwater.   

    National Geographic explorer and University of Detroit Mercy paleontologist Dr Nizar Ibrahim led the research. 

    His team included Dr Unwin and Professor David Martill from the University of Portsmouth. 

    Academics began excavating a skeleton of Spinosaurus in southern Morocco in 2015 and made the historic discovery of its almost-complete and well preserved tail in 2018. 

    Tails of other therapods, which existed on solid land, had a a stiff tapering tail.

    But analysis of the vertebrae found in Morocco revealed long spines that supported a large, highly flexible, fin-like tail comparable in shape to that of a crested newt. 

    Reconstruction of Spinosaurus in life: long narrow jaws with conical teeth, and a unique tail for aquatic locomotion

    Reconstruction of Spinosaurus in life: long narrow jaws with conical teeth, and a unique tail for aquatic locomotion

    Top: reconstruction of the tail skeleton of Spinosaurus (missing bones shown in white). Center: cross sections through the tail showing changes in the vertebrae, tail volume, and arrangement of major muscles. Bottom: the new - and surprising - look of Spinosaurus (black, soft parts/body outline; red, bones collected in 2008 by a local fossil collector; green, bones from recent scientific excavations; yellow, bone fragments collected in the debris around the main excavation area)

    Top: reconstruction of the tail skeleton of Spinosaurus (missing bones shown in white). Center: cross sections through the tail showing changes in the vertebrae, tail volume, and arrangement of major muscles. Bottom: the new - and surprising - look of Spinosaurus (black, soft parts/body outline; red, bones collected in 2008 by a local fossil collector; green, bones from recent scientific excavations; yellow, bone fragments collected in the debris around the main excavation area)

    The site in the Sahara where the fossil was found is a hotbed for fossil hunters, with other finds including sawfish, crocodiles, flying reptiles and land-dwelling dinosaurs.

    Professor Martill said: 'This fossil site has been incredible. This is the first Spinosaurus skeleton to be found for over a hundred years. It is also one of the few associated dinosaurs skeletons ever to be found in the Kem Kem rocks.

    'Scientists have always puzzled about Spinosaurus, because applying new scientific techniques on this animal have, until now, not been possible because the original material was destroyed in World War Two. Now we have a new baby to play with.

    'Every time we look at this dinosaur we discover something fascinating about it. Discovering its tail was such an amazing gift. We had no idea that its tail was going to be so different from other dinosaur tails.

    'One thing that still puzzles me though, is why only Spinosaurus became aquatic among the dinosaurs. Why are there no aquatic iguanodons, or stegosaurs.'

    While it remains a mystery why only one dinosaurs conquered the water, the discovery does put to bed a long-standing belief that dinosaurs never swam. 

    Dr Ibrahim said: 'This discovery is the nail in the coffin for the idea that non-avian dinosaurs never invaded the aquatic realm.

    'This dinosaur was actively pursuing prey in the water column, not just standing in shallow waters waiting for fish to swim by. It probably spent most of its life in the water.' 

    The September 2018 team that unearthed the tail of the only associated Spinosaurus skeleton in existence. Left to right, and top to bottom: Simone Maganuco, Ayoub Amane, M'Barek Fouadassi, Nizar Ibrahim, Samir Zouhri, Cristiano Dal Sasso, Gabriele Bindellini, Marco Auditore, Matteo Fabbri, Diego Mattarelli, Hamid Azroal, Mhamed Azroal

    The September 2018 team that unearthed the tail of the only associated Spinosaurus skeleton in existence. Left to right, and top to bottom: Simone Maganuco, Ayoub Amane, M'Barek Fouadassi, Nizar Ibrahim, Samir Zouhri, Cristiano Dal Sasso, Gabriele Bindellini, Marco Auditore, Matteo Fabbri, Diego Mattarelli, Hamid Azroal, Mhamed Azroal

    A view of the Kem Kem region, Sahara Desert (south-eastern Morocco), from the excavation site of Spinosaurus

    A view of the Kem Kem region, Sahara Desert (south-eastern Morocco), from the excavation site of Spinosaurus

    The site in the Sahara where the fossil was found (pictured) is a hotbed for fossil hunters, with other finds including sawfish, crocodiles, flying reptiles and land-living dinosaurs

    The site in the Sahara where the fossil was found (pictured) is a hotbed for fossil hunters, with other finds including sawfish, crocodiles, flying reptiles and land-living dinosaurs

    30-04-2020 om 20:56 geschreven door peter  

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    Categorie:Diversen (Eng, NL en Fr)
    Klik hier om een link te hebben waarmee u dit artikel later terug kunt lezen.100-Million-Year-Old “River Monster” Discovered In The Sahara

    100-Million-Year-Old “River Monster” Discovered In The Sahara

    Experts discovered the remains of a 100-million-year-old “river monster” that proves dinosaurs once lived underwater. In fact, it’s the first time that they have found conclusive evidence that proves some dinosaurs lived, swam, and hunted beneath the water.

    The remains were found in the now-barren wilderness of the Saharan desert but it was not always this way as 100 million years ago it contained waterways and rivers. Researchers began excavating the area in southern Morocco back in 2015 and by 2018 they had uncovered a nearly-complete well-preserved skeleton of the dinosaur’s tail. The species belongs to the theropod group which the Tyrannosaurus rex is a part of.

    Skeleton of a Spinosaurus.

    The dinosaur, which has been named Spinosaurus aegyptiacus, had razor-sharp six-inch long cone-shaped teeth that it used to capture and hold onto its prey. The nostrils were located on the back portion of the head and its snout was quite similar to a crocodile’s. It had very dense bones as well as large flat feet that were more than likely webbed.

    Even though it was only a juvenile when it died, it still measured 35 feet long and weighed approximately 4 tonnes. Fully grown adults could have measured as long as 50 feet and weighed up to 20 tonnes. While the adults had no known predators, the juveniles could have been attacked by giant prehistoric crocodiles and fish. In fact, the location in which the skeleton was found has been nicknamed the “river of death” by the researchers. Numerous groups of reptiles inhabited the waters (such as the ichthyosaurs), but this is the first ever evidence of a dinosaur living underwater.

    And based on the evidence the researchers found, the Spinosaurus aegyptiacus thrived in the ancient Saharan waters. As for its unique tail, the species had two-foot long struts located on the main vertebrae which made its tail into the shape of a paddle that moved from side to side. This is quite interesting as other therapods that lived on land had a stiff tail that tapered off at the end.

    Dr. David Unwin, who is a Reader in Palaeobiology at the University of Leicester and was also involved with the research (their study can be read here), explained this further, “The Spinosaurus’ fin-like tail is a game changing discovery for us that fundamentally alters our understanding of how this dinosaur lived and hunted – it was actually a ‘river-monster’”. “As well as its tail, many other features of this dinosaur, such as the high position of the nostrils, heavy bones, short legs, and paddle-like feet point to a life spent in the water rather than on land,” he said, adding, “Not only did dinosaurs dominate the land and take to the air as birds, they even went back into the water and became the top predators there as well.” A picture of the excavation site can be seen here.

    https://mysteriousuniverse.org/ }

    30-04-2020 om 20:25 geschreven door peter  

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