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Scienceray > Tags > Craters
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Craters |
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 | | 10 Prominent Lunar Craters | | by valli, Nov 24, 2008 | | Lunar craters are cup-like depressions on the Moon. These are the remains of collisions between an asteroid, comet and the Moon. The surface of the moon is scarred with millions of impact craters. The following are some prominent lunar craters. | | Comments(9) Liked It: 14 |
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 | | The Great Mass Extinction of the End-Permian | | by the_silver_beetles, Jan 13, 2008 | | The End-Permian extinction is by far the greatest mass extinction to have taken place, causing the extinction of approximately 90% of all species on earth which almost ended life on earth. What caused this catastrophic event and what took place when it did strike? | | Comments(0) Liked It: 30 |
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