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Saturday, August 30, 2008 |
Photo: Mars May Have Hosted Potentially Habitable LakeA new study using HiRISE data shows that the debris is surrounded by clay-rich sediments, evidence of an ancient long-standing lake on Mars that might have been habitable, astronomers say. Image courtesy NASA/JPL/University of Arizona
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ADVERTISEMENTNATIONAL GEOGRAPHIC'S PHOTO OF THE DAYPhoto and Headline Widget
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