Saturn’s moon Titan was once thought to conceal a global ocean of methane and ethane beneath its smoggy atmosphere. However, while the landforms seen by Cassini and Huygens show ample evidence of past modification by the action of flowing liquids, actual bodies of present liquid have proven elusive through more than two years of investigation. Until now. During a July 22, 2006 flyby, Cassini’s RADAR instrument has finally unveiled what appears to be a land of lakes in Titan’s northern polar regions.
Pretty neat stuff, and this image is a neat example of some of the data they’ve got..