Season 1, Episode 2
Killers in Space
Air Date: 2002-01-14
Overview: A look at how our solar system is teeming with thousands of asteroids and comets. While an impact would be catastrophic for human life, it is now thought these mini-worlds played a vital part in kick-starting life on our planet. Following NASA's successful landing of a probe on an asteroid, these mysterious objects are now yielding their secrets.
Runtime: 49 minutes
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