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Thursday, October 28, 2010

Photo: Saturn Moon Has Seas of Sand, Images Reveal


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An aerial view of Africa's Namib Desert (top) shows linear sand dunes as they appear from 176 miles (283 kilometers) above the Earth's surface. An image of a sand sea on Saturn's moon Titan (bottom) taken from 146 miles (235 kilometers) above the surface shows similar-looking dunes.

Top image courtesy Earth Sciences and Image Analysis Laboratory, NASA Johnson Space Center; bottom image © Science