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Wednesday, July 23, 2008 |
Wednesday, July 23, 2008 |
Photo: Weird Mars Deposits Could Be Vast "Ice Cap" at EquatorNew radar data from the hilly formation show that it is covered with unusual sediments that scientists say could be a huge amount of water ice—or just dry, low-density deposits. Image courtesy ESA/ASI/NASA/Univ. of Rome/JPL/Smithsonian
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ADVERTISEMENTNATIONAL GEOGRAPHIC'S PHOTO OF THE DAY |
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