Wired Science Space Photo of the Day: Shoreline of Ancient Titan Sea

Shoreline of Ancient Titan Sea

This image from NASA’s Cassini spacecraft shows an ancient southern sea that used to sprawl out near the south pole of Saturn’s moon Titan. In an annotated version, the red outline traces the ancient shoreline. Within this basin is the largest present-day lake in Titan’s southern hemisphere, Ontario Lacus. Ontario Lacus appears black, indicating it is filled with liquid.

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