A feasibility study in the Astrophysical Journal explains how a powerful laser on an Earth mountaintop, focused through a huge telescope, could shine a light of infrared radiation that would be detectable up to 20,000 light years away. While some scientists are concerned about alerting extraterrestrials to our presence, I agree with something said to me by Ann Druyan -- co-writer of Cosmos and many other works with her husband Carl Sagan -- when we were working on the Voyager Golden Record: 40th Anniversary Edition: It's rather cynical, she explained, to think that a extraterrestrial civilization advanced enough to notice us and make the long trip to Earth would be so emotionally stunted as to purposely destroy us upon arrival. From MIT News:
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The findings suggest that if a high-powered 1- to 2-megawatt laser were focused through a massive 30- to 45-meter telescope and aimed out into space, the combination would produce a beam of infrared radiation strong enough to stand out from the sun’s energy.
Such a signal could be detectable by alien astronomers performing a cursory survey of our section of the Milky Way — especially if those astronomers live in nearby systems, such as around Proxima Centauri, the nearest star to Earth, or TRAPPIST-1, a star about 40 light-years away that hosts seven exoplanets, three of which are potentially habitable. If the signal is spotted from either of these nearby systems, the study finds, the same megawatt laser could be used to send a brief message in the form of pulses similar to Morse code.
This Google Earth image of Antarctica's South Georgia Island depicts either a UFO that crashed and skidded across the snow or a hunk of ice that rolled along after an avalanche. According to this YouTube video from Secureteam, with 2.5 million views, it's definitely the former. Keele University physical geographer lecturer Richard Waller suggests it's the latter. Below, a zoomed-out view of the area. (Space.com)
Previously: Another UFO found in Google Earth image of Antarctica
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Growing up near Dayton, Ohio, I was always intrigued by rumors that extraterrestrials were stored on ice at Wright-Patterson Air Force Base. Turns out, the closest thing may be these surreal murals painted by German prisoners-of-war held in the base's dining hall during World War II. What inspired them? From Dayton Daily News:
The existing mural in Building 280, built in the 1943, was restored in the 1980s, he said. Dayton Art Institute experts have cleaned the painting as part of the preservation.
“A lot of people have conjecture on what this means,” (Wright-Patterson cultural resources manager Paul) Woodruff said. “Some people think this is where the alien conspiracy theories began with the little green men at Wright-Patt. That’s one story that likes to be told.”
Another theory: Green goblin-like characters out of German folklore. And there’s another for the wall of flame.
“One of the conjectures is possibly it’s German culture up in flames – a statement of how they felt what was going on in the world at that point,” he said.
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Remember the 1995 TV program Alien Autopsy: Fact or Fiction that we all wanted to believe was real? Of course, the ET autopsy turned out to be a hoax, or rather, according to producer Ray Santilli, a "reconstruction" of film shot in 1947 that he had seen. Now, one of the hoaxers, Spyros Melaris, has staged a one-man show in London's East End to tell the real (?) story behind the story of the autopsy that you can watch below. From Paul Seaburn's article at Mysterious Universe:
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(Melaris) claims he was the director of the film and the one responsible for creating the fake aliens and other special effects. Melaris says he met Ray Santilli, the producer and name most associated with the autopsy film, in 1995 at a music event in Cannes. Santilli later confided that he had the actual footage of an alien autopsy and wanted Melaris to make a documentary about it.
However, when Santilli showed him a copy of the alleged ‘real’ film, Melaris determined it was a fake shot on video. He says he instead agreed to make a fake version of the autopsy on film, release it as the real thing and them make another documentary on how they pulled off the fake. He hired John Humphreys, a special effects expert who has worked on Dr. Who, to make the alien’s body using his 10-year-old son as a model. Melaris bought 1940s surgical outfits, used cow, sheep, pig and lamb organs (the local butcher must have loved them) for the alien’s internal parts and spliced in footage from a 1947 newsreel.