Neil deGrasse Tyson: Where are the Aliens? - Documentary HD 720p

submitted by Marvin's Underground Entertainment on 02/04/18 1

Host astrophysicist Neil deGrasse Tyson explores such provocative questions as: would "ETs" resemble us or the creatures of science fiction? Are there "aliens" already amongst us on Planet Earth—brainy creatures whose intelligence is very different from our own? And are planets on which life can flourish rare or common in our universe?

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