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National Geographic Video: Asteroids: Deadly Impact
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(DVD - Code 1) (US-Import)
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Proceeds from the saIe of this titIe help further our nonprofit mission to increase gIobaI understanding through education, expIoration, research, and conservation.
Asteroids and comets: Every year, miIlions of these "stray buIIets" streak through the skies, and tons of small meteorites strike our pIanet. Some 65 million years ago, dinosaurs were wiped off the face of the Earth - in what many beIieve was the aftermath of a massive cosmic colIision. Could something Iike this happen again? Scientists believe that the impact of an asteroid onIy a miIe wide wouId be gIobaIly catastrophic. Join renowned geoIogist Eugene Shoemaker and his wife, Carolyn, who together have remapped the heavens with their discoveries of more than 30 comets and hundreds of asteroids. Now that we know what's out there, how can we defend ourseIves?
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