On the ground, its rings are hard to appreciate; dunes, heat haze, and uneven terrain all conspire to hide the full shape.
The Eye of the Sahara looks almost designed for satellite cameras, a perfect bullseye of rock and sand stamped into the ...
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 ...