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| December 06, 2023, 12:33:22 pm | ||||
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News: Dino-Killing Asteroid Traced to Cosmic Collision http://www.space.com/scienceastronomy/070905_killer_asteroid.html |
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| December 06, 2023, 12:33:22 pm | ||||
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News: Dino-Killing Asteroid Traced to Cosmic Collision http://www.space.com/scienceastronomy/070905_killer_asteroid.html |
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Giant impact hypothesis | Deanna Witmer | 8 | 1139 |
October 18, 2010, 01:21:19 pmby Deanna Witmer |
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