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Neptune
Neptune-planet
Description
Adjectives: Neptunian
Distance from Sun: 4.495 billion km
Diameter: 49,244 km
Radius: 24,622 km
Temperature: 59 K
Known Moons 14

Neptune is the eighth and farthest known planet from the Sun in the Solar System. In the Solar System, it is the fourth-largest planet by diameter, the third-most-massive planet, and the densest giant planet.