The Bruce Murray Space Image Library
In Chesterton's permanent shadow
Filed under Mercury, MESSENGER, explaining science
Average MDIS mosaic of Chesterton crater (37 km diameter) with: (a) Arecibo radar image in yellow ; (b) WAC broadband-filter, 10-ms-exposure image overlain, showing details of the permanently shadowed surface within the crater; (c) both radar (yellow) and WAC broadband filter images.
NASA / JHUAPL / CIW / NAIC, Arecibo Observatory / Nancy Chabot
The WAC broadband filter image was acquired at 185 m/pixel, and the image has been trimmed to exclude pixels exterior to Chesterton or compromised by sunlit portions of the image. The Arecibo radar image was obtained with a range resolution of 1.5 km. From LPSC 2013 abstract #1693.
Original image data dated on or about March 20, 2013.
Most NASA images are in the public domain. Reuse of this image is governed by NASA's image use policy.
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