Titan, Cassini still exploring the moons of Saturn

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To create the first global, topographic map of Saturn’s moon Titan, scientists analyzed data from NASA’s Cassini spacecraft and a mathematical process called splining. This method effectively uses smooth curved surfaces to “join” the areas between grids of existing topography profiles obtained by Cassini’s radar instrument. In the upper panel of this graphic, gold colors show where radar images have been obtained over almost half of Titan’s surface. Image credit: NASA/JPL-Caltech/ASI/JHUAPL/Cornell/Weizmann

Read more at: http://phys.org/news/2013-05-cassini-global-topographic-titan.html#jCp