Vela Lightle

Outer Planet Project

Jupiter

The atmosphere is 90% hydrogen and 10% helium, it is 1000km deep. The planet itself is 80% hydrogen and 20% helium with bits of other gasses and materials. It is a ball of swirling gasses. It has 63 moons. It's four larges moons are- Io, Europa, Ganymede, Callisto.
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Jupiter: the Largest

Saturn

It is the 6th planet from the sun. It is 90% hydrogen and 10% helium. It has the most complex rings in our solar system. it has a solid core. It has about 60 moons. Titan, Rhea, Dione, Iapetus and Tethys are the 5 biggest moons.
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Uranus

It is the seventh planet from the sun. It is made of gas and liquid and has a solid core. It has 27 moons. The largest moons are Titania and Oberon. It is tilted like a rolling ball.
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Neptune

It is partly frozen with a rock and iron core. It is the farthest planet from the sun. It has 13 moons. It also has a faint dark ring system. It's largest moon is Triton.
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Space School Neptune