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Smooth Floor in Copernicus Crater
LRO image from Sept. 29, 2010

With the exception of recent impacts (such as this one) into the floor material of Copernicus, much of the northwestern floor of Copernicus appears smooth and relatively featureless (upper right corner). This region on the crater floor appears similar to mare basalt flows, but studies show that volcanism has not shaped the landscape of Copernicus' interior. Instead, it is possible that a vast volume of impact melt was created during impact and cooled differentially across the crater floor such that some areas appear smooth while others are hummocky. LROC NAC M135317661L, image width is 520 m. Credit: NASA/GSFC/Arizona State Unversity

LRO image from Sept. 29, 2010› View larger image

LROC Wide Angle Camera 400 m/pixel monochrome mosaic of Copernicus crater (93 km diameter). The arrow indicates the approximate position of the NAC image above. Credit: NASA/GSFC/Arizona State University

Explore all of LRO's incredible images at the LRO site at Arizona State University.