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Curiosity Mars rover discovers evidence of ripples from ancient Red Planet lake
The ripples suggest that the lake was free of ice at one point.
In November 2022, NASA's Curiosity rover imaged the Amapari Marker Band in the foothills of Mount Sharp, located in Gale Crater. "The shape of the ripples could only have been formed under water that was open to the atmosphere and acted upon by wind," California Institute of Technology (Caltech) postdoctoral researcher Caire Mondro said in a statement. Using a computer model, Caltech professor of geology Michael Lamb found that the size and spacing of the ripples indicate the lake was less than six feet (two meters) deep.
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