Saturday, June 20, 2009
Saturn
Saturn distinguished by its extensive ring system, has several similarities to Jupiter, such as its atmospheric composition and magnetosphere. Although Saturn has 60% of Jupiter's volume, it is less than a third as massive, at 95 Earth masses, making it the least dense planet in the Solar System. Saturn has sixty known satellites; two of which, Titan and Enceladus, show signs of geological activity, though they are largely made of ice.Titan is larger than Mercury and the only satellite in the Solar System with a substantial atmosphere.
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