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Winter in the southern uplands of Mars

Over billions of years, the southern uplands of Mars have been pockmarked by numerous impact features, which are often so closely packed that they overlap. One such feature is Hooke crater, shown in this ...

Sep 19, 2014
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A dark and dusty avalanche on Mars

Mars may be geologically inactive but that doesn't mean there's nothing happening there—seasonal changes on the Red Planet can have some very dramatic effects on the landscape, as this recent image from ...

Nov 06, 2013
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List of search results for dioxide frost