Jupiter
Diameter: 140,000 km
Distance: 800 million km (5.2 AU)
Orbit: 12 years Day: 10 hours
Largest planet. 67 moons, including Io, Europa, Ganymede and Gallisto. Has four rings. Shortest day of all planets. Atmosphere is mainly hydrogen. Visited by Pioneer 10 and 11, Voyager 1 and 2, Galileo, Cassini, Ylsses and New Horizons.

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