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The Strangest Encounters in Space | NASA's Unexplained Files (Full Episode)
Strange flying objects have been caught on NASA’s cameras and astronauts have reported seeing UFOs. Some can be identified; others remain a mystery. We’ll reveal NASA footage and interview the astronauts and scientists. Stream More Full Episodes of NASA's Unexplained Files: https://www.sciencechannel.com/tv-shows/nasas-unexplained-files ...
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