File:1 Denevi 6 Messenger spacecraft.jpg

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English: This is in the interior of Larrocha crater on Mercury. Original caption follows:
Previous images taken by MESSENGER hinted at unusual high-reflectance features associated with impact crater floors. High-resolution (21 m/pixel) monochrome images reveal these features to be rimless, irregular pits varying in size from hundreds of meters to up to several kilometers. These pits are often surrounded by diffuse halos of higher-reflectance material, and they are found associated with central peaks, peak rings, and rims of craters. The unusual etched appearance of these landforms may suggest a higher than expected volatile component in Mercury’s crust, and their sharp features are consistent with a relatively young age. The mosaic shown here is centered at 44.0° N, 290.9° E. Instrument: Narrow Angle Camera (NAC) of the Mercury Dual Imaging System (MDIS)
Date
Source http://messenger.jhuapl.edu/gallery/sciencePhotos/image.php?page=1&gallery_id=2&image_id=538
Author NASA/Johns Hopkins University Applied Physics Laboratory/Carnegie Institution of Washington

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Public domain This file is in the public domain in the United States because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.)
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current09:07, 12 July 2011Thumbnail for version as of 09:07, 12 July 20111,280 × 720 (261 KB)Pline (talk | contribs)

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