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New Crater Blues
The blue appearance is due to the intense blast of the impact moving around dust on the surface. That dust is usually light-toned and reddish in color compared to what’s beneath it. When you remove the dust, you’re left with a dark spot that can sometimes be blue in comparison to the redder surroundings.
More: https://uahirise.org/hipod/ESP_053006_1980
NASA/JPL-Caltech/University of Arizona
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