Neptune

ice giant planet • Discovered 1846

Neptune is the eighth and most distant planet in our solar system. It has the strongest winds of any planet, reaching speeds of 2,100 km/h. Its deep blue color comes from methane in its atmosphere.

Fun Fact

Neptune's winds are the fastest in the solar system, reaching 2,100 km/h (1,300 mph).

Type

ice giant

Diameter

49,528 km

Temperature

-200°C

Moons

Rings

Yes

Gravity

11.15 m/s²

Discovery

Discovered by Johann Galle (based on predictions by Adams and Le Verrier) in 1846

Uranus Pluto

Data sources: NASA Jet Propulsion Laboratory, ESA, International Astronomical Union. Orbital mechanics from NASA/JPL Horizons system.