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."
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."
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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