HiPOD (17 April 2018): A Ridge at the Edge of Athabasca Valles
The top of this ridge might have been here before any flows. (NASA/JPL/University of Arizona. 318 km above the surface. Black and white is less than 5 km across and enhanced color is less than 1 km.)
https://xissufotoday.space/2018/04/hipod-17-april-2018-a-ridge-at-the-edge-of-athabasca-valles/
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