Slideshow: Titan Surface Still a Mystery

NASA investigators now have the most detailed pictures ever taken of Titan. But the images can't penetrate the mystery that surrounds the Saturnian moon. By Amit Asaravala.
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At its closest, Cassini was 1,200 kilometers (745 miles) above the moon, 300 times closer than during its first flyby on July 3, 2004.Courtesy of NASA/JPL/Space Science Institute

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This false-color image shows Saturn's moon Titan in ultraviolet and infrared wavelengths. It was taken during Cassini's successful flyby on Oct. 26, 2004. Red and green colors represent infrared wavelengths and show areas where atmospheric methane absorbs light. Blue represents ultraviolet wavelengths and shows the high atmosphere and detached hazes.

Courtesy of NASA/JPL/Space Science Institute
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This image is one of the closest ever taken of Saturn's hazy moon Titan.

Courtesy of NASA/JPL/Space Science Institute