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01-08-2022 om 23:01 geschreven door peter  

Planet 9 is Running out of Places to Hide

We have a pretty good idea of what lurks within our solar system. We know there isn’t a Mars-sized planet orbiting between Jupiter and Saturn, nor a brown dwarf nemesis heading our way. Anything large and fairly close to the Sun would be easily spotted. But we can’t rule out a smaller, more distant world, such as the hypothetical Planet 9 (or Planet 10 if you want to throw down over Pluto). The odds against such a planet existing are fairly high, and a recent study finds it even less likely.

Many astronomers have wondered about the existence of planets that might hide at the edge of our solar system, particularly when the power of our telescopes were fairly limited. But as large sky surveys started to scan the heavens they found nothing beyond asteroid-sized worlds. But the orbits of the worlds we did find seemed to be clustered in a statistically odd way, as if they were being gravitationally perturbed by a larger object. If that were the case, this “Planet 9” would have a mass of about five Earths, and an orbital distance of a few hundred to a thousand astronomical units. In other words, just small enough and distant enough that it wouldn’t be easily seen in sky surveys.

Naturally, this motivated folks to search for the world, but it isn’t easy. Planet 9 would be too distant to be seen by reflected light, so you’d have to look for it by its faint infrared glow. And with a mass of only five Earths, it wouldn’t give off much heat. Adding to this is the fact that such a distant planet would orbit very slowly, such that within a single set of observations you wouldn’t notice it move at all. This is where this new study comes in.

To look for distant planets, the team used two infrared sky surveys, one from the InfraRed Astronomical Satellite (IRAS) and one from the AKARI Space Telescope. The two surveys were taken more than twenty years apart, giving any hypothetical planet plenty of time to move to a slightly different part of the sky. They assumed any distant planets would be fairly close to the equatorial plane, then combed through the data taking note of potential planets.

Surprisingly, they found more than 500 candidates. Based on the energy distribution of their spectra, most of these candidates had orbital distances less than 1,000 AU, and masses less than Neptune, which is exactly the range expected for Planet 9. But you shouldn’t get too excited. When the team looked at the infrared signatures by hand, they found none of them were that compelling. Most of them tended to be either within or near a faint integrated flux nebula, also known as galactic cirrus. They are diffuse clouds of interstellar gas that aren’t easily seen at visible wavelengths, but rather emit infrared light.

So it turns out these candidates aren’t planets, but rather the echoes of a faint nebula. Which pretty much rules out Planet 9. Hopes of another planet lost in the clouds.

Reference: 

• Sedgwick, Chris, and Stephen Serjeant. “Searching for giant planets in the outer Solar System with far-infrared all-sky surveys.” arXiv preprint arXiv:2207.09985 (2022).

The post Planet 9 is Running out of Places to Hide appeared first on Universe Today.

Source: 

• https://www.universetoday.com/156975/planet-9-is-running-out-of-places-to-hide/

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01-08-2022 om 21:42 geschreven door peter  

• https://www.universetoday.com/156972/stellar-flybys-leave-a-permanent-mark-on-newly-forming-planetary-systems/

01-08-2022 om 21:31 geschreven door peter  

“It was freakin’ huge!” Tim Ley and family on witnessing the Phoenix Lights

Tim Ley, his wife Bobbi and son Hal talk about witnessing the Phoenix Lights on March 13 1997. Interview courtesy of PhoenixLightsUFO.com / William W. Warwick IV.

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01-08-2022 om 20:56 geschreven door peter  

Artificial intelligence has mapped out every protein known to science

Nina Massey

Artificial intelligence has mapped out the shape of virtually every protein known to science.

The breakthrough will help to tackle major global challenges such as developing malaria vaccines and fighting plastic pollution, experts say.

Proteins are the building blocks of life, and their shape is closely linked to their function.

Being able to predict a protein’s structure gives scientists a better understanding of what it does and how it works.

The research was conducted by DeepMind and EMBL’s European Bioinformatics Institute (EMBL-EBI), which used the AlphaFold AI system to predict a protein’s 3D structure.

The AlphaFold Protein Structure Database – which is freely available to the scientific community – has been expanded from nearly one million protein structures to more than 200 million structures, covering almost every organism on Earth that has had its genome sequenced.

The expansion includes predicted shapes for the widest possible range of species, including plants, bacteria, animals, and other organisms, opening up new avenues of research across the life sciences.

Demis Hassabis, founder and CEO of DeepMind, said: ‘We’ve been amazed by the rate at which AlphaFold has already become an essential tool for hundreds of thousands of scientists in labs and universities across the world.

‘From fighting disease to tackling plastic pollution, AlphaFold has already enabled incredible impact on some of our biggest global challenges.

‘Our hope is that this expanded database will aid countless more scientists in their important work and open up completely new avenues of scientific discovery.’

In December 2020, AlphaFold was recognised as a solution to the 50-year-old grand challenge of protein structure prediction by the organisers of the Critical Assessment of protein Structure Prediction (Casp).

At the time, it demonstrated that it could accurately predict the shape of a protein, at scale and in minutes, to atomic accuracy.

The database works like an internet search for protein structures by providing instant access to predicted models.

This cuts down the time it takes for scientists to learn more about the likely shapes of the proteins they are researching, speeding up experimental work.

Earlier predictions have already helped scientists in their quest to create an effective malaria vaccine.

Scientists at the University of Oxford and the National Institute of Allergy and Infectious Diseases have been researching a protein called Pfs48/45, which is one of the most promising candidates for inclusion in a transmission-blocking malaria vaccine.

Existing technology alone did not allow them to fully understand the structure of the protein in order to see where the most effective transmission-blocking antibodies bind across its surface.

Matthew Higgins, professor of Molecular Parasitology and co-author of that study, said: ‘By combining AlphaFold models with our experimental information from crystallography, we could reveal the structure of Pfs48/45, understand its dynamics and show where transmission-blocking antibodies bind.

‘This insight will now be used to design improved vaccines which induce the most potent transmission-blocking antibodies.’

DeepMind and EMBL-EBI said they will continue to refresh the database periodically, with the aim of improving features and functionality.

MORE : 

• Letting artificial intelligence into farming could open world’s food supply to hackers, study says

MORE : 

• Japanese researchers plan on building artificial-gravity buildings on the moon

{ https://metro.co.uk/ }

01-08-2022 om 01:42 geschreven door peter  

Discovery of eight planets makes alien system the first to tie with our solar system

With the discovery of an eighth planet, the Kepler-90 system is the first to tie with our solar system in number of planets. Artist’s concept.

Credit: NASA/Ames Research Center/Wendy Stenzel

Our solar system is tied for most number of planets around a single star, with the 2017 discovery of an eighth planet circling Kepler-90, a Sun-like star 2,545 light-years from Earth. The planet was discovered in data from NASA’s Kepler Space Telescope.

Kepler-90i – a sizzling hot, rocky planet that orbits its star once every 14.4 days – was found using machine learning from Google. Machine learning is an approach to artificial intelligence in which computers “learn.” In this case, computers learned to identify planets by finding in Kepler data instances where the telescope recorded changes in starlight caused by planets beyond our solar system, known as exoplanets.

NASA hosted a Reddit Ask Me Anything on this discovery.

“Just as we expected, there are exciting discoveries lurking in our archived Kepler data, waiting for the right tool or technology to unearth them,” said Paul Hertz, director of NASA’s Astrophysics Division in Washington. “This finding shows that our data will be a treasure trove available to innovative researchers for years to come.”

The Kepler-90 star system is like a mini version of our solar system.

The discovery came about after researchers Christopher Shallue and Andrew Vanderburg trained a computer to learn how to identify exoplanets in the light readings recorded by Kepler – the miniscule change in brightness captured when a planet passed in front of, or transited, a star. Inspired by the way neurons connect in the human brain, this artificial “neural network” sifted through Kepler data and found weak transit signals from a previously-missed eighth planet orbiting Kepler-90, in the constellation Draco.

Machine learning has previously been used in searches of the Kepler database, and this continuing research demonstrates that neural networks are a promising tool in finding some of the weakest signals of distant worlds.

• [Kepler finds Largest batch of Earth-size, habitable zone planets]

Other planetary systems probably hold more promise for life than Kepler-90. About 30 percent larger than Earth, Kepler-90i is so close to its star that its average surface temperature is believed to exceed 800 degrees Fahrenheit, on par with Mercury. Its outermost planet, Kepler-90h, orbits at a similar distance to its star as Earth does to the Sun.

Artist’s concept of the Kepler-90 system compared with our own solar system.

Credit: NASA/Ames Research Center/Wendy Stenzel

“The Kepler-90 star system is like a mini version of our solar system. You have small planets inside and big planets outside, but everything is scrunched in much closer,” said Vanderburg, a NASA Sagan Postdoctoral Fellow and astronomer at the University of Texas at Austin.

Shallue, a senior software engineer with Google’s research team Google AI, came up with the idea to apply a neural network to Kepler data. He became interested in exoplanet discovery after learning that astronomy, like other branches of science, is rapidly being inundated with data as the technology for data collection from space advances.

• [Stand on the surface of another planet with our 360 virtual reality]

“In my spare time, I started Googling for ‘finding exoplanets with large data sets’ and found out about the Kepler mission and the huge data set available,” said Shallue. "Machine learning really shines in situations where there is so much data that humans can't search it for themselves.”

Kepler’s four-year dataset consists of 35,000 possible planetary signals. Automated tests, and sometimes human eyes, are used to verify the most promising signals in the data. However, the weakest signals often are missed using these methods. Shallue and Vanderburg thought there could be more interesting exoplanet discoveries faintly lurking in the data.

First, they trained the neural network to identify transiting exoplanets using a set of 15,000 previously vetted signals from the Kepler exoplanet catalog. In the test set, the neural network correctly identified true planets and false positives 96 percent of the time. Then, with the neural network having "learned" to detect the pattern of a transiting exoplanet, the researchers directed their model to search for weaker signals in 670 star systems that already had multiple known planets. Their assumption was that multiple-planet systems would be the best places to look for more exoplanets.

“We got lots of false positives of planets, but also potentially more real planets,” said Vanderburg. “It’s like sifting through rocks to find jewels. If you have a finer sieve then you will catch more rocks but you might catch more jewels, as well.”

Kepler-90i wasn’t the only jewel this neural network sifted out. In the Kepler-80 system, they found a sixth planet. This one, the Earth-sized Kepler-80g, and four of its neighboring planets form what is called a resonant chain – where planets are locked by their mutual gravity in a rhythmic orbital dance. The result is an extremely stable system, similar to the seven planets in the TRAPPIST-1 system.

Their research paper reporting these findings was published in The Astronomical Journal.

Kepler produced an unprecedented data set for exoplanet hunting. After gazing at one patch of space for four years, the spacecraft operated on an extended mission and was retired in 2018.

“These results demonstrate the enduring value of Kepler’s mission,” said Jessie Dotson, Kepler’s project scientist at NASA’s Ames Research Center in California’s Silicon Valley. “New ways of looking at the data – such as this early-stage research to apply machine learning algorithms – promise to continue to yield significant advances in our understanding of planetary systems around other stars. I’m sure there are more firsts in the data waiting for people to find them.”

Ames managed the Kepler and K2 missions for NASA’s Science Mission Directorate in Washington. NASA's Jet Propulsion Laboratory in Pasadena, California, managed Kepler mission development. Ball Aerospace & Technologies Corporation operates the flight system with support from the Laboratory for Atmospheric and Space Physics at the University of Colorado in Boulder. This work was performed through the Carl Sagan Postdoctoral Fellowship Program executed by the NASA Exoplanet Science Institute.

For more information on this announcement, visit:

• https://www.nasa.gov/mediaresources

For more information about the Kepler mission, visit:

• https://www.nasa.gov/kepler

Media contacts:

• Felicia Chou
  Headquarters, Washington
  202-358-0257
  felicia.chou@nasa.gov
• Alison Hawkes
  Ames Research Center, California’s Silicon Valley
  650-604-0281
  alison.j.hawkesbak@nasa.gov

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{ http://www.nasa.gov/ }

01-08-2022 om 01:14 geschreven door peter  

Our tiny brains can't even comprehend the true scale of these astronomical giants.

This Video About The Scale of Black Holes Will Crush Your Poor, Tiny Brain

Black holes are vast, matter-annihilating objects that seem to defy physics by their very existence. They're so weird, that when Albert Einstein's equations first predicted the existence of these beasts, he didn't believe they could actually be real.

{ https://www.thespaceacademy.org/ }

31-07-2022 om 23:49 geschreven door peter  

Titan is the farthest world where a man-made machine has landed. And sent back some amazing images and videos of the surface.

Ever since man ventured into space, he has sent his technology to many corners of the solar system. Before the end of the 20th century, our probes had already touched the surfaces of Mars and Venus, but it would not be until 2005 that a spacecraft would land on the most distant world to date: Titan, Saturn's largest moon.

The protagonist of the feat was the Huygens probe, designed by the European Space Agency (ESA) and launched into space on October 15, 1997, as part of the Cassini-Huygens mission (orbiter and landing probe, respectively).

The objective of this joint project with NASA and the Italian Space Agency (ASA) was to get to know Saturn in depth: its rings, climates, geology and dozens of moons. But the Huygens instrument pointed to the most gigantic Saturnian satellite of all.

Why is this distant body in the outer solar system still so interesting today?

An amazing moon

Titan is a special world for astronomers not only because it is the second largest moon in the solar system after Ganymede, on Jupiter; but because of its very similar conditions to the primitive Earth.

Similar to the blue planet, Titan has a 600 kilometer thick atmosphere that is made up of nitrogen (95%) and methane (5%). It is also the only other place in the solar system where a rain cycle similar to Earth's has also been seen, with the exception that it is based on methane instead of water.

Images taken by Cassini show the changing surface of Titan.

Photo: NASA/JPL/University of Arizona

Continuous precipitation—which varies depending on the seasons on the planet, also tilted like Earth—makes Titan's surface changeable. Mainly at its south pole, there are liquid reserves (lakes and seas) and hard ice rocks due to the extreme cold of -180 ºC.

Astronomers believe that in 6 billion years, when the Sun becomes a red giant star and its size brings it closer to the outer solar system, conditions on Titan may be favorable for stable oceans.

All these characteristics make Titan one of the best candidates for have harbored (or harbor) extraterrestrial microbial life that depends on methane instead of water.

Landing on titan

Seven years after the launch of the Cassini-Huygens mission, the Cassini module was inserted into the orbit of Saturn. Then, in December 2004, it ejected the Huygens probe, its traveling companion who had been 'asleep' for all those years, towards Titan.

The violent entry into Titan's atmosphere in January 2005 took almost two and a half hours. Once on the surface, its useful life was very short but valuable: for one hour and ten minutes it worked automatically and captured 350 photographs of the terrain before losing communication with Cassini, which moved away from the landing point and followed its orbit.

The computer and postal data of the impressive descent to Titan were recorded for history and, years later, could be recreated in an ESA video.

The images show rocks similar to boulders, so it is believed that there was a fluid that ran through there and eroded them.

But the interest in this giant satellite has not ended.

Dragonfly, the dragonfly that will fly over Titan

Continuing the legacy of Cassini-Huygens, in 2026 NASA will send the Dragonfly mission to Titan to study the satellite's atmosphere, its prebiotic chemical processes and its subsurface ocean reserves.

NASA's Dragonfly rover will arrive on Titan in 2034 to study its atmosphere and pre-life chemical processes.

Photo: NASA

This flying instrument - similar to the Ingenuity on Mars - will land in 2034 in Shangri-La , a region with dunes similar to those of Namibia in southern Africa.

From then on, Dragonfly will make long jumps of up to 8 kilometers in different locations and, in each one of them, will stay one Titan day (16 Earth days). Your ultimate goal will be Selk Crater , a region where evidence of ancient liquid water exists.

“Visiting this mysterious marine world could revolutionize what we know about life in the universe. This state-of-the-art mission would have been unthinkable even a few years ago, but now we are ready," former NASA Administrator Jim Bridenstine said in astatement.

Dragonfly is part of NASA's ambitious News Frontier program, which includes other missions such as News Horizon to Pluto and the Kuiper Belt, Juno to Jupiter, and OSIRIS-REX to asteroid Bennu.

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{ https://www.thespaceacademy.org/ }

31-07-2022 om 23:11 geschreven door peter  

‘Spaghettified’ star wrapped around a black hole spotted for the first time

A black hole enjoyed one stellar spaghetti dinner and astronomers were able to witness the event from 215 million light-years away in a spiral galaxy in the Eridanus constellation.

Astronomers saw the light from a star being devoured and ripped apart by a supermassive black hole using telescopes at the European Southern Observatory in Chile. Although it sounds incredibly far away, this event was the closest flaring death throes of a star astronomers have seen to date.

And apparently, what the astronomers witnessed was the "spaghettificaton" of the star.

"When an unlucky star wanders too close to a supermassive black hole in the center of a galaxy, the extreme gravitational pull of the black hole shreds the star into thin streams of material," said Thomas Wevers, study coauthor and an ESO fellow in Santiago, Chile, in a statement. Wevers was at the University of Cambridge's Institute of Astronomy as he worked on this research.

When these thin strands of the star's material fall into the black hole, they release a bright energetic flare that can be detected by astronomers.

Spaghettification events are much more rare to observe and harder to study. But the researchers had the European Southern Observatory's Very Large Telescope and New Technology Telescope aimed in the right place after spying a new flash of light last year that was located close to a supermassive black hole.

"The idea of a black hole 'sucking in' a nearby star sounds like science fiction. But this is exactly what happens in a tidal disruption event," said Matt Nicholl, lead study author and a lecturer and Royal Astronomical Society research fellow at the University of Birmingham in the UK, in a statement.

The study published Monday in the Monthly Notices of the Royal Astronomical Society.

Although the light from the star was incredibly bright, it was still difficult for the astronomers to study because dust and debris created by the event helped to obscure it from view. Energy released during the black hole's mealtime actually pushed out the star's debris in a type of curtain.

"We found that, when a black hole devours a star, it can launch a powerful blast of material outwards that obstructs our view," said Samantha Oates, study coauthor and researcher at the University of Birmingham, in a statement.

Astronomers began observing the event shortly after the star was ripped apart and continued to use different telescopes and instruments to study it in detail over six months as the light from the star initially grew and then faded.

"Because we caught it early, we could actually see the curtain of dust and debris being drawn up as the black hole launched a powerful outflow of material with velocities up to 10,000 km/s," said Kate Alexander, study coauthor and NASA Einstein fellow at Northwestern University, in a statement. "This unique 'peek behind the curtain' provided the first opportunity to pinpoint the origin of the obscuring material and follow in real time how it engulfs the black hole."

Observations were taken in multiple wavelengths of light, including optical, X-ray, ultraviolet and radio light. These different wavelengths revealed a direct link between the bright flare witnessed as the star was consumed by the black hole and the material flowing out from the star.

"The observations showed that the star had roughly the same mass as our own Sun, and that it lost about half of that to the monster black hole, which is over a million times more massive," Nicholl said.

The study furthers how astronomers understand black holes and this particular event, dubbed AT2019qiz, could be used as a "Rosetta stone" for similar events in the future.

{ https://www.thespaceacademy.org/ }

31-07-2022 om 22:47 geschreven door peter  

Triangular UFOs: New Historical Cases and Validated Insights -David Marler

NOTE ANDRE SKONDRAS

Do you want to hear some "common sense" in terms of critical rational thinking about UFOs? Then pay close attention to researcher and archivist David Marler's most recent presentation on Triangular UFOs throughout history. He factually refutes the UFO debunking claims in this presentation. Well-done job, David!

Description video

For over 20 years, David Marler has been investigating a particular subset of the UFO phenomenon – triangular UFOs. In his 2013 groundbreaking book, Triangular UFOs – An Estimate of the Situation, he established a working profile of these anomalous aerial objects by highlighting their repeatedly-reported characteristics and flight dynamics. Those conclusions were derived from his vast historical UFO materials and research at the time.

Since then, The David Marler Historical UFO Archive Collection has grown by leaps and bounds. Of particular note was the receipt of the world’s largest historical UFO case file collection in November of 2020. This consists of hundreds (if not thousands) of case files from: Civilian Saucer Intelligence of New York (CSI-NY), The National Investigations Committee on Aerial Phenomena (NICAP), and The Center for UFO Studies (CUFOS). In addition, it includes the personal Air Force Project Blue Book files of Dr. J. Allen Hynek.

In reviewing this vast treasure trove of historical UFO case files dating back to the late 1940s, David noted there were triangular UFO case reports that had never been seen by the general public. When reading these accounts, they served as the best outside validation for what David outlined in his book. Namely, the reported details and characteristics matched what other witnesses had described in reference to these triangular UFOs. However, the vast majority of these accounts date back from the 1950s, 60s, and 70s.

This presentation will share with the public, for the first time, historical UFO case files and audio recordings relating to triangular UFO reports that pre-date stealth technology and the modern period of UFO reporting. Enjoy this journey back to the early years of the UFO phenomenon where we see that the past was indeed prologue for the future of triangular UFO reports.

Presentation from the 2022 Ozark Mountain UFO Conference.

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31-07-2022 om 22:23 geschreven door peter  

Narcissus: An Ancient Tragic Story with Many Modern Parallels

The Greek tale of the self-absorbed yet staggeringly handsome Narcissus is a famous and ancient one. Despite its age, the myth remains famous to this day and provides a moral warning against becoming selfish and uncaring towards others.

The Narcissus story is so influential, in fact, that his name has been given to the mental condition narcissism which is characterized by an inflated sense of self-importance and a lack of empathy for others. Narcissus’ life has also influenced popular culture for centuries and even provided the inspiration for the name of the Harry Potter character Narcissa Malfoy.

Whilst the most popular and well-known versions of the myth contain nymphs, warnings from the Gods and blind seers, the integral moral of the story remains influential. The story also acts as an explanation for the origin of the Narcissus flower (daffodil) and for the origin of echoes.

Primary Sources Give Some Info About Narcissus’ Life

There are a couple of surviving stories about Narcissus’ life, all of which differ somewhat but have the same central story with the same moral teachings.

The main primary source of the myth is Ovid’s Metamorphoses where the story is told in Book III. Ovid was a Roman poet who was born in the city around 43 BC and died in 16 or 17 AD. He traveled throughout his life to a number of Greek territories like Asia Minor and Athens.

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In 2 AD he began his Metamorphoses which is considered his magnum opus comprising 11,995 lines, 15 books and over 250 myths. This colossal poem chronicles the history of the world from its beginning until the deification of Julius Caesar. It also contains the longest version of the myth.

Another earlier but less complete source for the story of Narcissus is a version composed in 50 BC and thought to be the work of the poet Partenius of Nicaea. This work was discovered in 2004 by Dr Benjamin Henry within the Oxyrhynchus papyri at Oxford. The only difference between this telling and Ovid’s is the ending.

A third source for the tale of Narcissus’ life was composed by Conon who was a Greek grammarian and mythographer. His ending is similar to that of Partenius. The tale is also told by the Greek traveler and geographer Pausanias in Book IX of his Description of Greece .

Echo and Narcissus in painting from 1627 by Nicolas Poussin.

(Nicolas Poussin / Public domain )

Narcissus in Ovid’s Metamorphoses

Ovid’s telling of Narcissus’ life is perhaps the most well know version today. It begins with the birth of Narcissus. His parents were the God of the River, Cephissus, and the nymph Liriope. Ovid claims that Cephissus was not a nice man and had forced Liriope into his bed, and consequently the nymph became pregnant.

Narcissus, from his birth and throughout his life was incredibly handsome . When Liriope consulted a seer (named Tiresias) after his birth and asked if her son would live a long life, the seer stated that Narcissus would live a long life if he did not look at himself.

Narcissus managed to live his early life and not discover himself. His beauty became known, and men and women alike were said to be throwing themselves at him. However, Narcissus was not fazed by any of them and ignored all of their advances.

One day he was walking in the woods when an Oread (a mountain nymph) named Echo spotted him. Echo, like so many women before her, instantly fell deeply in love with the handsome Narcissus. She proceeded to follow him through the wood.

However, she was hesitant to speak to this beautiful man because, according to Ovid, the nymph suffered from a speech impediment that was a result of a curse by Juno (or Hera), the wife of Zeus. It was known that Zeus had a particular fondness for nymphs, and this had made Juno extremely jealous. It was said that every time Juno would almost catch Zeus with a nymph Echo would distract the unknowing wife.

When Juno eventually found out she punished Echo by removing her ability to communicate properly so she could only say the last few words that were spoken to her. She could therefore not talk to Narcissus first and instead had to wait for him to talk to her.

Another version of the hopeless heartbreak “bubble” Echo lived in because Narcissus was more interested in himself, from a painting by Francesco Xanto Avelli from 1535.

(Francesco Xanto Avelli / CC BY-SA 2.0 )

After some time, Narcissus heard Echo following him through the wood and he called out “Who’s there?” Echo repeated his questions and was eventually convinced by Narcissus to reveal herself.

Echo then immediately attempted to embrace Narcissus, however, he refused and stepped away from the nymph.

“Away with these encircling hands! May I die before what’s mine is yours. She answers,
“What’s mine is yours!” 

(Metamorphoses, Book III)

The heartbroken Echo spent the rest of her life in misery, she lived alone in the glens until nothing remained of her but an echo.

Narcissus continues to break the hearts of numerous lovers. One even went as far as to curse him that he may suffer as he has caused others to suffer. The Goddess of Revenge, Nemesis, eventually heard of this tale and noticed Narcissus’ behavior. She decided to punish the selfish man. During the summer when Narcissus became thirsty, she lured him to a pool and when he leaned down to the water he gazed upon his own reflection. Not realizing it was his own reflection, Narcissus fell deeply in love with himself, believing it was someone else.

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He was unable to remove himself from looking at his own reflection but soon realized that his love could not be reciprocated when he attempted to kiss or hold the reflection. However, his confusion is amplified when the image in the pool reciprocated his winks and waves. Narcissus could not understand why he could not secure what he so desperately desired.

Narcissus was tormented by this and by the time he realized it was his reflection it was too late, and he had already fallen in love with himself. Because he now knew he could never obtain what he truly wanted his body melted away from the passion he felt burning inside him.

When Echo returns to the place where Narcissus had been staring into his own eyes to recover his body for the funeral, she found in his place a gold and white flower. This flower would become known as the Narcissus flower, or the daffodil.

Ameinias spurned lover of Narcissus, who committed suicide as his love turned to madness, sculpted by Malcolm Lidbury for the 2016 Cornwall LGBT History project.

(Pinkpasty / CC BY 4.0 )

Narcissus According to Other Stories about Him

Parthenius tells much of the same story, however, rather than slowly decaying because of his yearning, Narcissus lost his will to live and committed suicide.

Canon’s version of the story was written at roughly the same time as Ovid’s however, this also differs slightly. First of all, rather than a nymph named Echo, a young man by the name of Ameinias falls in love with Narcissus after the latter had already turned away many male suitors.

Like those before him, Narcissus rejects Ameinias and gives him a sword. As a result of this rejection, Ameinias commits suicide on Narcissus’ doorstep. Ameinias had prayed to the gods to give the selfish Narcissus a lesson and make him learn from all the pain he had caused.

Narcissus then walked to a pool of water and decided to have a drink. As he bent down, he gazed upon his own reflection and fell in love. When he realized this love was futile, he killed himself because he could not obtain what he desired most.

In his work, Pausanias summarized Ovid’s story. Pausanias did not believe that a man old enough to fall in love would be stupid enough to not realize it was his own reflection upon which he was staring. So, Pausanias changed the story slightly, to make it more believable. Rather than falling in love with a nymph named Echo or a man named Ameinias, Narcissus was actually mourning the death of his beloved twin sister and was gazing at his own reflection to recall her features. In this telling, the spring in front of which Narcissus wastes away is located on a mountain top and is part of the river Lamus in a place called Donacon.

What all the versions share, however, is the inherent negative link between Narcissus and the act of gazing upon his reflection. It is possible that this was derived from the ancient Greek superstition that it was unlucky and sometimes even fatal to see your own reflection.

A fine Narcissus fresco from Pompeii showing the pool reflection he was in love with.

( CC0)

Narcissus’ Legacy

The myth of Narcissus has had a lasting effect on humans. He was a very popular subject in Roman art and appears prominently in 50 paintings from Pompeii alone. His name has been given, in Freudian psychiatry and psychoanalysis, to the mental condition that leaves one with an “inflated sense of their own importance, a deep need for excessive attention and admiration, troubled relationships and a lack of empathy for others.” The myth also had a huge influence on Dante and Shakespeare.

After losing influence after the Renaissance, it came back and inspired more creatives. The myth appears in a number of 20th-century works of art and music and provides a warning against self-obsession which was particularly influential during the age of individualism.

The Origins of Narcissus’ Story

Because there is a lack of stories based on Narcissus and Echo, many scholars today believe that the myth may have originated with Ovid. According to Ingo Gildenhard and Andrew Zissos, this story actually interrupted the poetic pattern of Metamorphoses suggesting that the story may have been an afterthought and placed in the work to verify the validity of the prophet Tiresias (the seer). Ovid’s version, nevertheless, was then retold by later poets and has become not only an explanation for where the flower originated but also why echoes exist.

W. S. Anderson has argued that the language used in Ovid’s tale is formed in a way to discourage the audience from feeling any kind of sympathy for Narcissus. The poet stresses that he deserved everything that happened to him because of the horrible way he treated those who fell in love with him, particularly Echo.

• Unravelling the Roots of Hera, the Wrathful Goddess of Marriage
• An Outstanding Narcissus Painting is Found in Pompeii… Would it Have Pleased Him?

In Pausanias’ telling, however, the author takes a different stance. By rationalizing the story, Pausanias expresses his belief that Ovid’s version is foolish. Here, Echo and the will of the Gods are omitted. He even argues that the flower had existed long before Narcissus and his story. He effectively warped the story from one which explained the origins of the flower and of echoes into one purely for entertainment.

Despite this, and as already mentioned, both stories end with Narcissus’ death as a result of gazing into the pool and at his own reflection. Because of this he dies completely alone with no awareness of his surroundings. Both authors are conveying the same moral message that it is not good to be self-absorbed. The story warns that being so will only end in loneliness.

• Top image: Echo and Narcissus in a painting by John William Waterhouse, and one senses that Narcissus has already fallen in love with himself for all time.                       
• Source: John William Waterhouse / Public domain

By Molly Dowdeswell

{ https://www.ancient-origins.net/ }

31-07-2022 om 21:06 geschreven door peter  

Earth’s Magnetic Field Almost Completely Collapsed 550 Million Years Ago

More than half a billion years ago, Earth experienced an almost-complete collapse of its magnetic field. It began in the early Cambrian period. Then, after a period of about 15 million years, the field began to grow again. The cause of that collapse and the bounceback of the field was a mystery. Then, a group of geologists studied rocks from Oklahoma that were created during that time. Magnetic markers in the rocks’ minerals pointed toward an event that began some 550 million years ago. That was before the introduction of multicellular life on our planet.

Look Deep into the Core

To understand what happened, look at our planet’s structure. Most of us learn in school that Earth is composed of layers. There’s the crust, where you’re sitting reading this right now. Underneath that is the mantle, Earth’s thickest layer. It lies over the molten outer core, which surrounds the solid inner core. That inner core has two parts—an outermost inner core and an innermost inner core. The core region lies some 2900 kilometers beneath the surface. The swirling action of liquid iron in the outer core is what generates our magnetic field. If it weren’t for that activity, we wouldn’t have a protective shield against the solar wind. In fact, without it, our planet might be more like Mars today.

So, what happened in the core? Why did our magnetic field fade to almost 10 percent of its strength and then regenerate again? According to John Tarduno, a professor of geophysics at the University of Rochester in New York, the cause was the formation of Earth’s solid inner core.

“The inner core is tremendously important,” he said. “Right before the inner core started to grow, the magnetic field was at the point of collapse, but as soon as the inner core started to grow, the field was regenerated.”

Paleomagnetism Reveals Changes in Our Magnetic Field

In a recent paper, Tarduno and a team of researchers cited crucial dates in the inner core’s history. They also gave a precise age estimate for the collapse and regeneration. Since they can’t reach down into the core and directly observe it, how did they figure out when these events happened? The team turned to paleomagnetism to find an answer. That’s the study of magnetic markers in rocks that were created when the rocks formed. Geologists often use this to trace the records of other changes in Earth’s magnetic field, such as pole-flipping.

Earth’s magnetic field stretches out from the core through the mantle and crust and out into space. It’s impossible to measure the magnetic field inside Earth directly. That’s due to the location and extreme temperatures of materials in the core. So, geologists thought of a better way. They looked for paleomagnetic markers in rocks and minerals that rose to the surface. Those markers are like tiny needles that lock in the direction and intensity of the magnetic field that existed when the minerals cooled after forming.

Tarduno and his team wanted to pinpoint the age and growth of Earth’s inner core using paleomagnetism to measure those particles. So, they used a CO2 laser and a superconducting quantum interference device (SQUID) magnetometer to analyze feldspar crystals from the rock anorthosite and study their perfect magnetic markers.

Dating Rocks Using Magnetism For the Win

By studying the magnetism locked in those ancient crystals, the researchers determined two new important dates. The first was when the magnetic field began to strengthen after nearly collapsing 15 million years earlier. That rapid regrowth was due to the formation of a solid inner core. It actually recharged the molten outer core and restored the magnetic field’s strength.

Another interesting thing happened about 450 million years ago. That’s when the growing inner core’s structure changed. The result was a boundary between the innermost and outermost inner core. Far above the core, changes to the mantle took place due to plate tectonics on the surface.

Paleomagnetism made this new understanding of Earth’s core possible, according to Tarduno. “Because we constrained the inner core’s age more accurately, we could explore the fact that the present-day inner core is actually composed of two parts,” he said. “Plate tectonic movements on Earth’s surface indirectly affected the inner core, and the history of these movements is imprinted deep within Earth in the inner core’s structure.”

What about Magnetic Fields Elsewhere?

The team’s research into paleomagnetic clues to Earth’s interior evolution provides clues about the history and evolution of our planet. It also offers insight into how it became habitable. Finally, their work has implications for understanding the evolution of other planets in the solar system. Things could well be very different if they had no magnetic fields. For example, Mars once had a magnetic field, but it dissipated more than 4 billion years ago. That left the planet vulnerable to the solar wind and likely played a role in the loss of Martian oceans.

It’s not clear if Earth would have suffered the same fate if its magnetic field hadn’t regenerated. Tarduno said that our planet would have lost a lot of its water if the magnetic field had not come back. “The planet would be much drier and very different than the planet today,” he pointed out. “This research really highlights the need to have something like a growing inner core that sustains a magnetic field over the entire lifetime—many billions of years—of a planet.”

For More Information

• How did Earth avoid a Mars-like fate? Ancient rocks hold clues
• Early Cambrian renewal of the geodynamo and the origin of inner core structure

The post Earth’s Magnetic Field Almost Completely Collapsed 550 Million Years Ago appeared first on Universe Today.

Source: 

• https://www.universetoday.com/156969/earths-magnetic-field-almost-completely-collapsed-550-million-years-ago/

{ https://beforeitsnews.com/ }

31-07-2022 om 20:49 geschreven door peter  

The first findings of the James Webb telescope might revolutionize the views of the formation of galaxies

The first preliminary findings of the James Webb telescope, the successor of the Hubble telescope, are in conflict with the standard view of the formation of galaxies. The YouTube video (see this) “James Webb Found Galaxies That Sort of Break Modern Theories” gives a good summary of these findings. The findings are also summarized in an article in Nature (see this) with the title “Four revelations from the Webb telescope about distant galaxies”.

The official story of the formation of galaxies goes roughly as follows.

1. Around 3 minutes of cosmic time, the cosmic microwave background emerged as the first atoms formed and radiation decoupled from matter.
2. When the age of the Universe was more than about .1 billion years, the first stars were formed. They lived their life and exploded as supernovas and yielded interstellar hydrogen gas. Galaxies started to form. One can see this process as a gravitational condensation. What is essential is that this process went from long to short scales, just as the formation of stars in the earlier phase.
3. The model gives a stringent upper bound for the age of the galaxies. They should be younger than the oldest observed stars. This limit gives an upper bound for the distance of the galaxy, that is for its redshift.

The first, preliminary, observations of the James Webb telescope were galaxies with redshifts up to 16. Even redsshift extending to 20 have been speculated in arXiv papers. Redshift 16 would correspond to the age of 250 million years and redshift of 20 to the age of 200 million years. They are too far to fit into the official picture. To get some perspective, note that the estimate for the age of the Universe is 13.8 billion years.

The ages of these galaxies were few hundred million years and of the same order as the estimated ages of about 100 million years of the hypothetical population III stars (see this), which are thought to be the oldest stars but have not not (yet?) detected. The criterion for the age of the star is its metal content: the first stars should have contained only hydrogen and Helium and “metal” here means anything heavier than Helium. The suggestive conclusion is that there was a significant population of star forming galaxies in the early universe. This challenges the standard view stating that stars came first and led to the formation of galaxies.

TGD proposes an unofficial view of the formation of galaxies (see this, this and this).

1. In the very beginning the Universe was dominated by cosmic strings, which were space-time surfaces in H=M⁴× CP₂ having 2-dimensional M⁴ projection. They were not “Einsteinian” space-time surfaces with 4-D M⁴ projection and have no counterpart in general relativity.
2. Cosmic strings were unstable against thickening of the M⁴ projection to 4-D one. Phase transitions thickening the cosmic strings occurred and increased their thickness and reduced string tension so that part of their energy transformed to ordinary matter. This is the TGD counterpart for inflation.

This process led to radiation dominated Universe and the local description of the Universe as an Einsteinian 4-surface became a good approximation and is used in standard cosmology based on the standard model as a QFT limit of TGD.

At this moment the thickness of the thickened strings would be around 100 micrometers, which corresponds to a length scale around large neuron size. Water blob with this size has mass of order Planck mass. The connection with biology is suggestive cite{btart/penrose,watermorpho,waterbridge}.

• The liberated dark energy (and possible dark matter, dark in the TGD sense) assignable to cosmic strings produced quasars, which in the TGD framework are identified as time reversals of the ordinary galactic blackholes. They did not extract matter from the environment but feeded darl energy as matter to the environment as jets. Jets are observed and explained in terms of the magnetic field due to the rotation of the galaxy.

The jets are somewhat problematic in the GRT based cosmology since the simplest, non-rotating Schwarzschild blackholes do not allow them. The rotating blackholes identifiable as Kerr-Newman blackholes accompanied by magnetic fields, also have some interpretational problems. For instance, the arrow of time can be said to be different in the nearby and faraway regions and closed time-like geodesics are possible. In TGD, this could have an interpretation in terms of zero energy ontology (ZEO). The matter from the jets would have eventually led to the formation of atoms, stars, and galaxies.

• What is essential is that the formation of galaxies proceeds from short to long scales rather than vice versa as in the standard cosmology. A second essential point is that the dark energy (and possible dark matter) concentrated at cosmic strings was added to the ordinary matter predicted by the standard model to be present in the radiation dominated cosmology. This led to the formation of galaxies. Therefore this picture is consistent with the standard story as far as the formation of atoms and emergence of CMB is considered. The possibility considered in the TGD framework (see this, this and this) is that quasars are time reversed black-holes (this property can be formulated precisely in zero energy ontology (ZEO), which forms the basis of TGD based quantum measurement theory) (see this, this and this). Note that the time reversal property would hold true in long time scales at the magnetic body (MB) defined by the monopole flux tubes produced by the thickening of the cosmic strings. For ordinary matter, the scale for the time spent with a given arrow of time is very short but MB with a large gravitational Planck constant can force ordinary matter to effectively behave like its time reversed version.

There is indeed quite recent support for the proposal that quasars are time reversals of blackhole-like objects identified in the TGD framework as monopole flux tube tangles. The Hubble telescope detected a dwarf galaxy at a distance of 30 million light years for which the number of stars is about 10 per cent for that in the Milky Way. Its center contains a blackhole-like object (see this), which did not extract matter from the environment but did just the opposite by jets, which gave rise to a formation of stars.

The observations challenging the basic dogma of blackhole physics are not new and during the writing of an article about galactic jets I got the impression that one of the basic challenges is to explain why some blackholes do just the opposite of what they should do.

See the chapter TGD View of the Engine Powering Jets from Active Galactic Nuclei or the article with the same title.

For a summary of earlier postings see Latest progress in TGD.

• Articles related to TGD

Source:

•  http://matpitka.blogspot.com/2022/07/the-first-findings-of-james-webb.html

{ https://beforeitsnews.com/ }

31-07-2022 om 20:35 geschreven door peter  

Red Lights Over Huntington Beach, California July 30, 2022, UFO Sighting News.

 

Date of sighting: July 30, 2022
Location of sighting: Huntington Beach, California, USA

 

An eyewitness in California caught sight of four glowing red spheres yesterday. The glowing objects are moving very fast and unusual. The area was at Lake Stevens, which makes me wonder if it came from below the water or not. UFOs travel in our atmosphere, space and underwater, but probably more. 

Scott C. Waring - Taiwan 

 

Eyewitness states: 

Waiting at lundeen park here in lake stevens I was laying down on the dock waiting for the firework show to start when I seen the string of 4 lights then a minute or so later the second string came. Watching the starlight video it could have been that but the lights were spectated by several hundred feet possibly more moving at a higher than normal rate of speed I have one two clips one I was following them and the other has a stationary star in the view I would say satellite but I’ve been watching them for years and never seen them move at the speed I seen these move. If I was to give a height I’d have to say just below or just above the earth’s atmosphere. Hopefully you can help me out.  I Walt have my eyes to the sky. And hopefully the videos show up I took it on an IPhone 11.

{ https://www.ufosightingsdaily.com/ }

31-07-2022 om 18:26 geschreven door peter  

The mysterious peeing tree of Taiwan 🇹🇼, video, breaking world news.

I was at a BNB near the beach in Taiwan and two birds landed on my shoulders and stayed on me for 25 min, until I walked back to the BNB area and looked at the mysterious peeing tree. The birds seemed to like it and finally left landing on the tree. This tree got into Two TV News stations here in Taiwan so even they find it unique. On vacation....in Taiwan. 

 Scott C. Waring

 

 

{ https://www.ufosightingsdaily.com/ }

31-07-2022 om 18:20 geschreven door peter  

Beach in Taiwan, Two Birds Landed On Me, July 30, 2022, Taiwan Breaking News

I was at a BNB yesterday and decided to take a walk on the beach looking for fossils and sapphires, when suddenly a bird landed on my shoulder and then another on the other shoulder. I looked up and found two beautiful love birds panting hard from the 100F heat here. I let them ride me while I searched then I decided to carry them back to the BNB area where our neighbor BNB owns the birds, then I visited the mysterious peeing tree which just started this week. There the birds flew onto the tree after riding me 25 min. 

 

Funny thing, one of the birds kept at my necklace until it had unlatched three latches that locked it, before it fell off. I caught it and hid it in my pocket, but then they went for my watch...they love shiny news things. LOL, very playful and curious animals. I fed them back at the BNB and gave them some cold water. 

Scott C. Waring - Taiwan

{ https://www.ufosightingsdaily.com/ }

31-07-2022 om 18:16 geschreven door peter  

Found a fossil on the beach in Taiwan just like searching NASA photos for similar things. UFO Sighting News.

Hey all, I found this fossil when I went to a BNB along the southern east side of Taiwan. I was looking for fossils. Its something I enjoy doing in hopes of making a find worthy to give to the local museum. This interesting to me. Paleontology and archeology are to passions I have. This is a fossil of stringray teeth. Stringrays have about 5-8 rows of teeth. This particular fossil seems to be about 150-200,000,000 years old. I determined this from other fossils I have seen, held and studied. But this is the first stingray teeth I have found. I was actually intently searching for fossil shark teeth, but its rare in Taiwan. Never heard of anyone finding any, but so is this fossil of stingray teeth. Was going to take a video, but was too hot and two love birds landed on my shoulder for 25 minutes making this awkward. 

Searching for fossils is just like searching in NASA photos for similar ancient artifacts. The only difference is I'm not there in person doing it...which by the way...I would love doing. So...link the similarities...this is what I do. 

I see here in Taiwan that people are worried about China invading. Chinese war ships and jets are having a military exercise, but Taiwanese think its a possible invasion in progress...due to US Nancy Pelosi visiting us in Taiwan. Not sure what will happen if China invades, but I will do my best to keep updating you on this situations if they do. 

Scott C. Waring - Taiwan 

{ https://www.ufosightingsdaily.com/ }

31-07-2022 om 18:12 geschreven door peter  

2 UFOs filmed in Atlanta during severe electrical storm YESTERDAY

This strange UFO aerial phenomenon was filmed over Atlanta, Georgia yesterday.

Witness report:

I filmed this in Atlanta early this morning 7/30/2022.

A severe electrical storm rolled through the neighborhood so I decided to see if I could get some cool lightning videos. As soon as I walked on my patio, a bolt of lightning struck the parking lot 30 feet away. I quickly propped up my phone and retreated inside. Upon reviewing the footage this morning with my wife, I noticed some orbs I could see on my phone screen. Only when the video was cast to my huge flat screen did I notice the lights. Two orbs appeared directly after the flash, and remained there bobbing. One disappears a few times and returns. Keep in mind, the sky was 100% overcast, these lights were below the clouds. They are dancing/bobbing in a weird way. You can see the tree in the foreground not moving the same as the orbs.

KillerBlueWaffles @ Reddit

RELATED VIDEOS

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

31-07-2022 om 17:55 geschreven door peter  

UFO filmed over Philadelphia, Pennsylvania

This UFO video was filmed back in 2018 but it was just now submitted to MUFON’s website. It happened over Philadelphia, PA.

Witness report: 

Observed a kidney-bean or peanut shaped dark black object moving around the Philadelphia skyline on July 3, 2018. The object seemed to have a direction and moved at a steady pace from the NE to SW direction before we lost sight of it.

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

31-07-2022 om 17:41 geschreven door peter  

They Prepare The World For Contact With Aliens

Not so long ago top US astronomers gathered in front of Congress to let them know that extraterrestrial life exists – without question.

They cited the sheer size of the universe as their most important proof, emphasizing that there are trillions of stars out there, with one in every five most likely harboring an Earth-like planet (though it is important to keep in mind that planets do not have to be “Earth-like” in order to harbor life).

“The number of habitable worlds in our galaxy is certainly in the tens of billions, minimum, and we haven’t even talked about the moons. And the number of galaxies we can see, other than our own, is about 100 billion.” – Seth Shostak, Senior Astronomer at California’s SETI Institute.

This time, NASA and the Library of Congress have teamed up to bring together scientists, theologians, philosophers and historians from around the globe for a two day symposium in order to discuss how to prepare the world for extraterrestrial contact, whether it be microbial organisms or intelligent beings.

One of the theologians present was Brother Guy Consolmagno, who is the new president of the Vatican Observatory Foundation. This is what he had to say:

“I believe [alien life exists], but I have no evidence. I would be really excited and it would make my understanding of my religion deeper and richer in ways that I can’t even predict yet, which is why it would be so exciting.”

He is urging the public not to be surprised when extraterrestrial life is discovered, because it is inevitably going to happen. He even said that he would be happy to baptize them, if it’s intelligent extraterrestrial life that’s discovered.

The Vatican has been very open to the idea of intelligent extraterrestrial life, and they’ve expressed these views for a very long time.

Earth is not the center of the universe, it’s not flat, and it’s looking very likely that the next major, paradigm-shifting revelation will be the fact that we are not alone in the universe.

It’s great to see the mainstream world gather, discuss, and prepare for this possibility and ultimate reality, and it’s a great segue to create more awareness about the world of secrecy, the world’s within our world that deal with projects the human race knows nothing about.

Lets not forget the main argument was the size of the universe, emphasizing that there are trillions of stars out there, with one in every five most likely harboring an Earth-like planet.

“In the last 50 years, evidence has steadily mounted that the components and conditions we believe necessary for life are common and perhaps ubiquitous in our galaxy. The possibility that life has arisen elsewhere, and perhaps evolved intelligence, is plausible and warrants scientific inquiry.

“If you extrapolate on the planets they discovered, there are a trillion planets in the galaxy. That’s a lot of places for life. We know the majority of stars have planets, but what fraction of stars have planets that are more like the earth? It might be one in five.” 

Dan Shostak

Scientists are discovering billions of Earth-like planets on our Milky Way galaxy alone. I’d also like to mention that planets do not have to be Earth-like in order to harbor life, that’s just what we think and assume.

Who knows what type of conditions life on other planets can thrive in? Or the biological make up of an extraterrestrial life form?

Believe it or not, accept it or not, but the planet is being groomed for disclosure.

RELATED VIDEOS, selected and posted by peter2011

{ https://anomalien.com/ }

31-07-2022 om 16:34 geschreven door peter