File:ISS-42 Richat Structure.jpg

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English: The Richat Structure, also known as the Eye of the Sahara and Guelb er Richat, is a prominent circular feature in the Sahara desert near Ouadane, west–central Mauritania.
  • Astronauts aboard the International Space Station captured this image of a huge crater in Africa on Nov. 22, 2014. This is the Richat Structure in northwestern Mauritania, otherwise known as the “Eye of the Sahara.” Scientists are still deciding whether this was formed by a subterranean volcano or impact from a large meteor. Deep in the Sahara Desert it is nearly a perfect circle, it is 1.2 miles (1.9 kilometers) wide, and sports a rim 330 feet (100 meters) tall. The crater sits in a vast plain of rocks so ancient they were deposited hundreds of millions of years before the first dinosaurs walked the Earth.
Date Taken on 22 November 2014, 09:47:38 UTC
Source https://www.flickr.com/photos/nasa2explore/16824767220/
Author NASA
This image or video was catalogued by Johnson Space Center of the United States National Aeronautics and Space Administration (NASA) under Photo ID: ISS042-E-007131.

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This file is in the public domain in the United States because it was created by the Image Science & Analysis Laboratory, of the NASA Johnson Space Center. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (NASA media use guidelines or Conditions of Use of Astronaut Photographs). Photo source: ISS042-E-007131.

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Date/TimeThumbnailDimensionsUserComment
current02:05, 31 March 2015Thumbnail for version as of 02:05, 31 March 20154,928 × 3,280 (4.21 MB)Ras67 (talk | contribs)new rendered in high quality from NASA's raw image data
22:44, 30 March 2015Thumbnail for version as of 22:44, 30 March 20154,928 × 3,280 (980 KB)Ras67 (talk | contribs)=={{int:filedesc}}== {{Information |description={{en|1=The '''Richat Structure''', also known as the '''Eye of the Sahara''' and '''Guelb er Richat''', is a prominent circular feature in the w:Sahara desert near w:Ouadane, west–central [[...

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