S2E7
Asteroids - Worlds That Never Were
How the Universe Works
calendar_todayAug 22, 2012
schedule42 min
star9.0
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.
broadcast_on_home Networks
Science
Discovery