Craters on Vesta
Filed under pretty pictures, amateur image processing, asteroids, asteroid 4 Vesta, Dawn
Different personalities of craters on Vesta, as seen in the images taken during a rotation characterization on July 24, 2011. All are at about the same scale, with each square very roughly 75 kilometers across. Clockwise from top left: one of the splashy fresh craters with its strange cascades of dark material; a larger, crisp-looking crater, one of the Snowman triplet; what I think is a crater similar in size to the Snowman one, but heavily degraded and covered with other, smaller impact craters; and some southern hemisphere terrain, featuring a couple of small fresh craters but also some crater-free intercrater plains, suggesting this area is more youthful than the northern hemisphere.
NASA / JPL-Caltech / UCLA / MPS / DLR / IDA / montage by Emily Lakdawalla
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Original image data dated on or about June 24, 2011