National Geographic - Naked Science : Killer Asteroid
English | XviD MPEG-4 codec | 688 x 384 | MP3 VBR ~122 kbps | 25 fps | 45 min | 744 MB
What is the deadliest threat to the human species? Believe it or not, it's a 200 million ton lump of rock hurtling through space at 50 times the speed of sound. It could slam into the Earth releasing the explosive equivalent of a 100 million mega-tons of TNT. Hear from astronomers who are working 24/7 to predict the trajectories of these asteroids, and from the scientists of the B-12 project who want to find a way to change the orbit of one of these planet killers before it's too late
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