Addie Taylor

Outer Planet Project


Jupiter, the 5th planet from the Sun, is the largest planet in the solar system. More than 1,000 Earths would fit into the volume of Jupiter. About 63 moons orbit the planet Jupiter. It takes about 9.9 Earth hours for Jupiter to rotate, and about 11.9 Earth year for it to revolve. The atmosphere of Jupiter is about 1,000 km deep and made up of about 90% hydrogen and 10% helium. Jupiter also has a few faint rings circling it.
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Saturn, the sixth planet from the Sun, has the biggest and most elaborate system of rings in the solar system. Saturn's entire density is less than water. There are about 60 moons around Saturn. Saturn's period of rotation is 10.6 hours, while the period of revolution is about 27.9 years. Saturn's core is mainly made of hydrogen, helium, and bits and pieces of other small materials.
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Uranus is the seventh planet form the Sun. The only probe that has even passed by Uranus is the Voyager 2, in 1986. Uranus's atmosphere is cavernous, consisting of primarily hydrogen and helium. The distance from Uranus to the Sun is 19.2 AU. Uranus's period of rotation is 17.4 Earth hours, while its period of revolution is 84.3 Earth years. 27 moons surround Uranus, with two larger moons called Titania and Oberon.
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Space School - Uranus


Neptune was discovered in 1846, with an atmosphere made up of mostly hydrogen and helium with a hint of methane. There are 13 moon that encompass Neptune and also a very faint ring system. Neptune's period of rotation is 16.1 Earth hours. It's period of revolution is 165.2 Earth years. The surface of Neptune is made up of frozen nitrogen and a few geysers that occasionally erupt nitrogen gas.
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Space School Neptune