Our Solar System
Our Solar System
Sun
The Inner Planets
Mercury
Venus
Earth
Mars
Outer Planets
Jupiter
Saturn
Uranus
Neptune
Pluto
Credits
Neptune
Neptune is the eight closest from the sun. Neptune is 4,504,300,000 kilometers from the sun. Johann Gottfried Galle discovered Neptune on September 23, 1846. Neptune has a large hurricane like storm called the Great Dark Spot.