Neptune
Planet
Neptune is the eighth and farthest known planet from the Sun. 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... Wikipedia
Distance from Sun: 2.793 billion mi
Discoverers: Urbain Le Verrier, Johann Gottfried Galle, and John Couch Adams
Length of day: 0d 16h 6m
Gravity: 11.15 m/s²
Radius: 15,299 mi
Discovered: September 23, 1846