File:Namib dune, Gale Crater Mars.jpg

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Original file ‎(1,076 × 608 pixels, file size: 301 KB, MIME type: image/jpeg)

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Description A new type of dune, called “wind-drag ripples,” found in 2016 by the Curiosity rover in Gale Crater. The dune is a part of the Bagnold Dune Field, on the the northwestern flank of Mount Sharp. The images were taken in early morning, with the camera looking in the direction of the sun. This mosaic combining the images has been processed to brighten it and make the ripples more visible. The sand is very dark, both from the morning shadows and from the intrinsic darkness of the basaltic minerals that dominate its composition. The base of Mount Sharp can be seen beyond the dunes.
Date
Source Namib dune, Gale Crater, which links to the original NASA-JPL source image, and a couple of discussions of the dunes.
Author Peter D. Tillman, my crop and a bit of reprocessing
Other versions File:Mounds and sand dunes (from PIA20755).jpg

Licensing[edit]

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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This image, originally posted to Flickr, was reviewed on 14 February 2017 by the administrator or reviewer Leoboudv, who confirmed that it was available on Flickr under the stated license on that date.

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Date/TimeThumbnailDimensionsUserComment
current05:01, 26 January 2017Thumbnail for version as of 05:01, 26 January 20171,076 × 608 (301 KB)Tillman (talk | contribs)Transferred from Flickr via Flickr2Commons

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