Friday, March 21, 2008

Water on Titan?

Liquid water in an environment as distant and hostile as Saturn's great moon, Titan, seems very far-fetched indeed. But analysis of radar images and the moon's rotation using data from the Cassini spacecraft indicate a liquid ocean, probably of water mixed with a small amount of ammonia, is "sloshing" about under 100 km of ice. This is not definitive, but it's certainly tantalizing.

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