THE BEST PICTURES OF EARTH: Reader Picks of NASA Shots

THE BEST PICTURES OF EARTH: Reader Picks of NASA Shots
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2. Ocean Sand, Bahamas (September 13, 2002)

Though viewers would be forgiven for thinking the above picture a work of abstract art, the image is actually a photograph captured by the Earth-orbiting Landsat 7 satellite.

Ocean currents in the Bahamas made the sand-and-seaweed sculpture in much the same way that winds create sand dunes in the Sahara.
— Image by Serge Andrefouet, University of South Florida, courtesy Earth Observatory
 
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