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ESA Mars
The upper image of this composite is a –radargram´ from MARSIS on ESA´ Mars Express. It shows data from the subsurface of Mars in the ice-rich layered deposits that surround the south pole. The lower image shows the position of ground track of the spacecraft (indicated by a white line) on a topographic map of the area based on data from the MOLA laser altimeter on board NASA's Mars Global Surveyor. The images are 1580 kilometers wide.The total elevation difference shown in the topographic map is about 3 kilometres between the lowest surface (dark blue) and the highest (yellow). Credits: NASA/JPL/ASI/ESA/Univ. of Rome/MOLA Science Team


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