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The sixth planet in the solar system, distant 9.52 AU from the Sun. Its radius is 60 000 km, density 704 kg/m3, mass 95 × Earth mass, volume 833 × Earth volume, and it has an equatorial inclination to the ecliptic of 29°. An outer zone of hydrogen and helium is underlain by a zone of metallic hydrogen, around an ice–silicate core. It has 48 confirmed, 11 unconfirmed, and possibly a further three satellites and is famous for its ring system.

Subjects: Astronomy and Astrophysics.

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