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Description Sand dunes on Mars can appear exotic. The dark dunes above might be compared to shark's teeth or chocolate confections. In reality, they arise from the complex relationship between the sandy surface and high winds on Mars. These particular dunes are located in Proctor Crater, a 170 kilometer wide crater first seen to house sand dunes by Mariner 9 more than 25 years ago. The above picture was taken by Mars Global Surveyor (MGS), a robot spacecraft currently in orbit around Mars. MGS has recently completed a primary goal of taking and transmitting detailed survey images of the red planet over an entire Martian year (669 Earth days). MGS will now be deployed to study particularly interesting regions of Mars in more detail.
Date February 26 (APOD)
Source http://antwrp.gsfc.nasa.gov/apod/ap010226.html
Author Malin Space Science Systems, MGS, JPL, NASA
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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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Date/TimeThumbnailDimensionsUserComment
current17:28, 13 August 2007Thumbnail for version as of 17:28, 13 August 2007418 × 1,011 (408 KB)Holly Cheng{{Information |Description=Sand dunes on Mars |Source=http://antwrp.gsfc.nasa.gov/apod/ap010226.html |Date=2001 February 26 (APOD) |Author=Malin Space Science Systems, MGS, JPL, NASA |Permission={{PD-USGov-NASA}} }} Category:Sand Category:Mars

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