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Bathymetry Titan


This is a Synthetic Aperture Radar (SAR) map of Ontario Lacus, the largest lake in Titan's southern hemisphere. Radar altimeter tracks are plotted over SAR data and show that Ontario lies in a shallow regional basin. The early (June 2005) and subsequent (June/July 2009) outlines of the lake are shown in cyan and blue, respectively. During the four-year observation period the lake receded by ~10 km at places, consistent with an average depth reduction of ~1 m/yr. Near-shore bathymetry is presented for study regions of interest. Inset; Region A with contours of constant distance from shoreline. Credit: Cassini Radar Science Team, NASA/JPL/Caltech

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