HiPOD Tuesday, 12 Oct 2021: The Writing is on the Wall
These U-shaped ridges along this crater’s interior wall provide clues to an ice-rich past. The curved, scalloped ridges, called moraines, are made up of rocks that the glacier collected as it moved downslope.
More: https://uahirise.org/hipod/ESP_070461_2245
NASA/JPL/UArizona
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