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Hollowed Ground
One objective of the extended MESSENGER mission is to determine the morphological and compositional context of "hollows" and their relationship to bright crater-floor deposits and pyroclastic vents. The crater at the center of this image is home to more of the "hollows" that dot Mercury's surface, which appear here as high-reflectance features near the crater's central peak and around its floor-wall boundary.
Date acquired: October 21, 2011
Image Credit: NASA/Johns Hopkins University Applied Physics Laboratory/Carnegie Institution of Washington