• Medusae Fossae Formation, Mars
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    Radar reveals the thickness and possible physical properties of the Medusae Fossae Formation. The upper image shows radar sounding data that provide a cross-sectional view to a depth of 600 meters (1,970 feet). The lower image shows the orbiter’s path across the surface (blue areas are lower, red areas higher). The arrows show where the radar signal penetrates volcanic ash deposits and reflects from the plains surface below.

    Mars Reconnaissance Orbiter, SHARAD

  • Medusae Fossae Formation, Mars

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WEB13737-2014

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

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Smithsonian Institution

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