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Complexity
This WAC image features two complex craters of different sizes. The smaller crater near the center of the image, approximately 28 km (17 mi.) in diameter, lies on top of the larger crater's ejecta blanket, indicating that it postdates the larger crater. The larger crater, approximately 96 km (60 mi.) in diameter, is host to an irregular, rimless depression, which is likely a volcanic vent.
Date acquired: May 10, 2011
Image Credit: NASA/Johns Hopkins University Applied Physics Laboratory/Carnegie Institution of Washington