Horizon
Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
Season 36 · Episode 7 ·
New Asteroid Danger
Horizon presents this documentary by scientists who have calculated that the Earth will be hit by a small asteroid within 50 years. How will this effect our planet?
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Episode 7 of season 36 of Horizon: “New Asteroid Danger”. Aired 1999-03-18. Watch it online free on ZapFlix.