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The Snows of Mars

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in 1666, immediately raised tantalizing questions. Are they made of water ice like the giant glaciers that smother Antarctica? Are they the frozen remains of long-vanished oceans? If they melted, could Mars become a habitable place? NASA's Mars Global Surveyor, currently in orbit about the Red Planet, is finally providing some solid answers. The Surveyor has already revealed unexpected details about the size and structure of Mars's northern cap. By the end of February, the spacecraft will begin mapping, for the first time, the topography and composition of the even more poorly underst
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Название: The Snows of Mars
Дата публикации: 2004-10-11

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