What is the order of the planets in the Solar System?

Our Solar System has eight planets which orbit the sun. In order of distance from the sun they are; Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. Pluto, which until recently was considered to be the farthest planet, is now classified as a dwarf planet. Additional dwarf planets have been discovered farther from the Sun than Pluto. Some asteroids are also dwarf planets.


Learn about IRAS, the first infrared telescope launched into Earth's orbit!