How the Universe Works Season 2 Episode 7 Asteroids - Worlds That Never Were 2012
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Asteroids wiped out the dinosaurs and may be back for us but they also built the Earth and may have brought life to its barren surface. Asteroids will shape our future as much as our past and scientists are striving to unlock their secrets.
- Released: 2012-08-22
- Runtime: 42 minutes
- Genre: Documentary
- Stars:
- Director:
