This pit at the center of a northern plains impact crater somewhat resembles ice exposures, but doesn’t look clean. Could it be ice under a thin lag? The CRISM instrument can provide information if ice is being exposed here. We also want to look for active slope retreat of the crater walls.
ID:
ESP_071046_2405date: 22 September 2021
altitude: 310 km
https://uahirise.org/hipod/ESP_071046_2405
NASA/JPL-Caltech/UArizona
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