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Mars Ice Crater
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Mars Ice Crater

August 7, 2012
ecent small craters discovered by the High Resolution Imaging Science Experiment camera on NASA's Mars Reconnaissance Orbiter expose buried ice in the middle latitudes of Mars. This ice is a record of past climate change. Not stable today, it was deposited during a period of different obliquity, or tilt, of the planet's axis. Image Credit: NASA/JPL-Caltech/Univ. of Arizona


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