A Recent Cluster of Impacts
The dark spots in this enhanced-color infrared image are the recent impact craters that occurred in the Tharsis region between 2008 and 2014.
The dark halos around the resulting impact craters are a combination of the light-toned dust being cleared from the impact event and the deposition of the underlying dark toned materials as crater ejecta.
https://uahirise.org/hipod/ESP_047768_1995
NASA/JPL-Caltech/University of Arizona
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