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The Solar System

Sun | Mercury | Venus | Earth | The Moon | Mars | Jupiter | Saturn | Uranus | Neptune

The Eigth Planet

Neptune is the eighth and furthest planet from the Sun, as well as the fourth largest planet in the solar system. Neptune is named after the Roman god of the sky.

Neptune Quick Facts

Neptune Earth
Type of Planet Gas Giant Terrestrial
Moons Triton, Nereid, Naiad, Thalassa, Despina, Galatea, Larissa, Proteus and at least 6 others The Moon
Rings 4 known None
Mass 1.024 × 1026 kg 5.972 × 1024 kg
Volume 6.254 × 1013 km3 1,083,000,000,000 km3
Closest Distance to Sun 4,453,000,000 km 147,100,000 km
Furthest Distance from Sun 4,453,000,000 km 152,100,000 km
Average Orbital Speed 19,550 kph 107,200 kph

Top Facts About Neptune for Kids

  • 1. Neptune has the strongest winds of any planet.

    Neptune has supersonic winds that can blow at about 1,770 kph.