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The true scale of the Richat Structure was only fully appreciated when humans started traveling into space
NASA has shared a new image of the Richat structure, the massive circular structure seen in an area of the Sahara Desert dotted with ancient Paleolithic stone tools and Neolithic cave paintings. On ...
From the ground, the Richat Structure is almost nothing. A traveler crossing the Adrar Plateau of western Mauritania would notice low, curving ridges of quartzite and long valleys of weathered rock, ...
The Richat structure, an eroded geological dome, located in the African nation of Mauritania, is pictured from the International Space Station as it orbited 262 miles above Earth.
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