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What If Aliens Contact Us? | Alien Encounters (Full Episode)
What would happen if we got a message from space? How would we react? Scientists and sci-fi writers, with cooperation from SETI and Carl Sagan's son, Nick, unravel the impact of this world changing event, forming an intriguing hypothetical scenario. Stream More Episodes of Alien Encounters: https://www.sciencechannel.com/tv-shows/alien ...
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