Cosmic Collisions
Right now, massive meteors and asteroids are orbiting dangerously close to Earth. Scientists believe that it's not a question of if they'll strike again, but when.
- 2009-2009
- 1 season
- Discovery Channel
- Documentary
Right now, massive meteors and asteroids are orbiting dangerously close to Earth. Scientists believe that it's not a question of if they'll strike again, but when.
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