SUMMARY: Cassini scientists have assembled this mosaic image of a region on Titan called Fensal-Aztlan. The northern part of the region, "Fensal", has small islands which range in size from 5 to 40 km (3 to 25 miles) across, while the southern "Aztlan" region mostly lacks these islands. The "islands" are thought to be raised areas of water ice, surrounded by dark particulate material which came out of the atmosphere.
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