Briefly state three differences between the inner planets and the outer planets.

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Outer Planets: Farther away, Sometimes made out of gas, and Bigger.
Inner Planets: Closer, Not really made out of gas, and Smaller.

Outer planets (Jupiter, Saturn, Uranus, Neptune) are all larger in mass. Inner planets (Mercury, Venus, Earth, Mars) are smaller in mass. The giant outer planets have extremely thick atmospheres of hydrogen, helium, methane, and ammonia. Where as the inner planets don not. Only two inner planets have a few moons in orbit but the outer planets have many. Only Earth and Mars have moons orbiting them. One moon orbits Earth and two small moons orbit Mars. All of the Outer Planets have many moons orbiting them. There are 63 moons known to orbit Jupiter, 60 orbiting Saturn, 27 orbiting Uranus and 13 orbiting Neptune.

True is the correct answer