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Cassini Snaps Titan Close Up
NASA's Cassini spacecraft swept past Titan on Tuesday, and returned the most detailed images ever taken of its surface - from an altitude of only 1,200 km (miles) above its surface. Previous attempts to see the moon's surface have been frustrating because of its thick atmosphere. Scientists still aren't sure what the various light and dark areas are; they could be solid landmasses surrounded by oceans of liquid ethane and methane. The spacecraft took more than 500 images, so they're going to take a while to completely transfer to Earth - better pictures should be revealed in the next few days.
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