Titan moon occupies 'sweet spot'

Earth and Saturn's moon Titan show striking similarities because both occupy "sweet spots" in our Solar System, researchers have said. Many processes that occur on Earth also take place on this moon, say scientists participating in the US-European Cassini-Huygens mission. Wind, rain and volcanism and tectonic activity all seem to play a role in shaping Titan's surface.

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http://news.bbc.co.uk/1/hi/sci/tech/4229110.stm