An enormous, circular landform in Mauritania's Sahara Desert continues to attract scientific focus, as well as the attention of astronauts. Known as the Eye of Sahara, its other names include Richat ...
From an altitude of 255 miles, an Expedition 59 crewmember photographed the Richat Structure, or the “Eye of the Sahara,” in northwestern Mauritania. The circular geologic feature is thought to be ...
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