Uranus
| orbit length: | 164.8 earth years |
| mass: | 1.02413×10^26 kg |
| mi from sun: | 2.7796 billion mi |
| core: | silicate/iron and nickel rock |
Neptune is the eigth planet from the sun and the farthest known planet from the sun. At a depth of around 7,000 km, it is believed that methane breaks down to form diamond crystals that rain down like hale.
The name Neptune comes from the Roman god of the sea, known as Poseidon in Greek mythology.
The average surface tempurature of Uranus is about -393.8 degrees F.
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