The view shows Moreux crater, which stretches nearly 84 miles (135 kilometers) across. A tall peak dominates the crater's center. Mars Express observed Moreux in October 2019 and ESA shared the image on Thursday.
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The ink-splash appearance of the crater's walls makes it stand out from the lighter landscape around it. "This darkness is thought to be a result of the dunes comprising sandy material rich in pyroxene and olivine, minerals with a typically dark appearance," ESA said of the image on Thursday.