Dwarf Planets

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Eris

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The Eight Planets

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Five Dwarf Planets

Ceres
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Eris

The Solar System

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Asteroid Belt

About Nine Planets

The Nine Planets has been online since 1994 and was one of the first multimedia websites that appeared on the World Wide Web.

Take an interactive tour of the solar system, or browse the site to find fascinating information, facts, and data about our planets, the solar system, and beyond.

Explore The Nine Planets

Mercury
Venus
Earth
Mars
Jupiter
Saturn
Uranus
Neptune
Pluto (the ninth planet)

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