Boating on Titan: new mission proposal for exploring an alien lake

Radar image of Ligeia Mare, the largest lake on Titan, with associated river channels. Credit: NASA / JPL / USGS

Saturn’s largest moon, Titan, is in many ways one of the most Earth-like places in the solar system. More like a planet than most moons, it is the only other world, so far anyway, known to have lakes on its surface. Similar to the hydrological cycle on Earth, the lakes are filled by rain, which also creates rivers and streams. Titan, however, is much colder than Earth, so the liquid is methane / ethane, not water.

This discovery has made Titan one of the most fascinating destinations for further exploration. The Cassini spacecraft has increased our knowledge many-fold, but there is only so much that can be done from orbit. But now a new mission proposal may change that, one which would actually send a boat to land in one of the lakes in the northern hemisphere.

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Paul Scott Anderson is a freelance space writer with a life-long passion for space exploration and astronomy. He started his blog The Meridiani Journal in 2005, which is a chronicle of planetary exploration. He also publishes The Exoplanet Report e-paper. In 2011, he started writing about space on a freelance basis, and now also currently write for AmericaSpace and He has also written for Universe Today and SpaceFlight Insider, has been published in The Mars Quarterly and has done supplementary writing for the well-known iOS app Exoplanet for iPhone and iPad.