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Monday, October 31, 2011

Collecting Killer Asteroids in Earth Orbit

Collecting Killer Asteroids in Earth Orbit : Discovery News: "A couple weeks ago I wasn't far from "ground zero," with asteroid hunter Dave Trilling of Northern Arizona University. I'm not referring to any site of a terrorist attack, but rather a marauder from deep space.



About 50,000 years ago, a meteorite one-and-a-half times the length of a football field slammed into the Colorado plateau, unleashing the energy of 150 Hiroshima atomic bombs."

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