The Richat Structure. View of the Richat Structure in the Sahara Desert,as seen by the crew of Shuttle Mission STS-58 of 18 October to 1 November 1993. The Richat Structure is 40km across and was originally thought to be a meteorite impact crater. More recent analysis has led to the conclusion that the Structure was an uplifted dome of rocks,subsequent erosion of the 'roof' of the dome having exposed this cross-sectional 'slice' through the various layers. The Richat Structure is in Mauritania,and was first photographed from space from a Gemini spacecraft in 1965 | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / NASA |
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