• North Polar Region of Mars
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    Radar echoes reveal a complex pattern of layering in the north polar deposits of Mars. In this cross-sectional view, brighter radar reflections indicate greater amounts of dust trapped in ice layers deposited over several million years. Darker regions are probably almost pure water ice.

    Mars Reconnaissance Orbiter, SHARAD

  • North Polar Region of Mars

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WEB13755-2014

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NASA/JPL-Caltech/ASI/University of Rome/SWRI image

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Smithsonian Institution

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