How the Universe Works

Asteroids - Worlds That Never Were

Directed by George Harris
TV-G
S2 • E7    Aug 22, 2012    42m
8.29.5
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.

Where to Watch How the Universe Works - S2 • E7

Cast of Asteroids - Worlds That Never Were

  • Erik DellumsHimself - Narrator

 

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