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03-31-2003, 01:53 PM
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Radical Centrist
Join Date: Jan 2001
Location: Cottage of Prussia
Posts: 31,423
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3/31/2003: Shimmer of the Earth
 Not much to say about this, another NASA pic via MSNBC pic of the week. The green bits are aurora, but the most interesting thing to me is the round circle at the bottom. That's a crater, and it turns out to be such an important crater that it has a name: the Manicouagan Crater. It's in northern Canada, and it's one of the oldest impact craters known on the Earth, formed about 200 million years ago. |
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