NOVA - Season 32, Episode 3 - Rotten Tomatoes

Origins: Where Are the Aliens?

EPISODE:

Episode Info

Astrophysicist Neil deGrasse Tyson explores whether life is unique to Earth. "The elements essential to life as we know it are widespread throughout the universe," Tyson says, but no extraterrestrial life has yet been found. Why? One reason is that light emitted by stars blinds astronomers to the planets revolving around them.

Cast

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