Planet Facts
Planet Facts

Neptune Facts

After Pluto was declassified as a planet, Neptune became the farthest planet from the sun. Neptune's diameter is about 30,200 miles or almost 4 times the Earth's diameter. The planet was named after the Roman sea God.

Neptune Facts You Might Not Know About
  • Neptune is so far away that it took the space probe Voyager 2, 12 years to reach it.
  • Neptune is the stormiest planet. The winds there can blow up to 1,240 miles per hour, that is three times as fast as Earth's Hurricanes.
  • The planet has has a system of thin dark rings but they are incomplete rings and are best described as arcs.
  • Neptune is a sea blue color due to the methane gas in its atmosphere.
  • Neptune once had a great dark spot similar to Jupiter.
  • Neptune only receives 1/900 of the solar energy that reaches Earth.
  • Neptune has its own heat source, it emits a quantity of energy 2.7 times greater than it receives.
  • Neptune has 19 known moons.
  • Neptune is 30 times farther from the sun as is the Earth.
  • It goes around the sun once every 165 Earth Years.
  • The atmosphere is made up of Hydrogen, Helium and Methane.
  • Neptune has a rocky core.

Return back to Planet Facts