Neptune - Wikipedia
https://en.wikipedia.org/wiki/Neptune
OverviewHistoryPhysical characteristicsClimateOrbit and rotationFormation and migrationMoonsObservationNeptune is the eighth planet from the Sun and the farthest known planet in the Solar System. It is the fourth-largest planet in the Solar System by diameter, the third-most-massive planet, and the densest giant planet. It is 17 times the mass of Earth, and slightly more massive than its near-twin Uranus. Neptune is denser and physically smaller than Uranus because its greater mass causes more gravitational compression of its atmosphere. Being composed primarily of gases and liqui… Equatorial rotation velocity: 2.68 km/s (9,650 km/h) Average orbital speed: 5.43 km/s Sidereal rotation period: 0.6713 day, 16 h 6 min 36 s
Equatorial rotation velocity: 2.68 km/s (9,650 km/h)
Average orbital speed: 5.43 km/s
Sidereal rotation period: 0.6713 day, 16 h 6 min 36 s
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