Where are the aliens w/ Neil deGrasse Tyson NOVA Origins

Views: 39709 | Rating: 4.65 | Likes: 184

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 ou

%d bloggers like this: