Planet Facts

There are 8 planets in our solar system, they are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune. With the exception of Neptune and Uranus the other 6 planets can be seen unaided and all 8 are visible with a small telescope or binoculars.

Order of the Planets

Order of the Planets
The order of the planets from closest to the Sun outwards is; Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and finally Neptune. The largest planet in the solar system is Jupiter, followed by Saturn, Uranus, Neptune, Earth, Venus, Mars with the smallest being Mercury.

Terrestrial Planets

Terrestrial Planets (Inner Planets)

The Terrestrial, or “rocky” planets in our solar system orbit relatively close to the Sun. There are four terrestrial planets: Mercury, Venus, Earth and Mars. …Read more

Gas Giants

Gas Giants (Outer Planets)

Gas giants are large planets that contain more than 10 times the mass of Earth. Their compositions are mostly gases, such as hydrogen, and small amounts of …Read more

Planet FAQ

What is a Planet?

Facts about the Planets

Click on any planet below to find out more about it.