If Aliens Ever Arrived on Earth | Alien Encounters (Full Episode)
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YouTubeScience Channel
If Aliens Ever Arrived on Earth | Alien Encounters (Full Episode)
How will humans react when an alien spacecraft is on its way to Earth? Will humans learn from aliens, or become colonial subjects? Scientists and sci-fi writers, with cooperation from SETI and Carl Sagan's son, Nick, unravel the impact. Stream More Episodes of Alien Encounters: https://www.sciencechannel.com/tv-shows/alien-encounters/ Subscribe ...
2M viewsSep 26, 2019
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