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Nature 445, 29-30 (4 January 2007) | doi:10.1038/445029a; Published online 3 January 2007

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Planetary science: Titan's lost seas found

Christophe Sotin1

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When the Cassini spacecraft found no methane ocean swathing Saturn's moon Titan, it was a blow to proponents of an Earth-like world. The discovery of northern lakes on Titan gives them reason for cheer.

The saturnian moon Titan is the second largest satellite in the Solar System, trumped only by Jupiter's Ganymede. It is the only Solar System satellite with a dense atmosphere, which produces a surface pressure 1.

  1. Christophe Sotin is at the Laboratoire de Planétologie et Géodynamique, Université de Nantes, 2 rue de la Houssinière, 44322 Nantes cedex 3, France, and a visiting scientist at the Jet Propulsion Laboratory, Pasadena, California, USA.
    Email: christophe.sotin@univ-nantes.fr

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