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.
A list of the 8 planets of the solar system, from the smallest diameter to the largest:
1. Mercury - 4,900 km in diameter
2. Mars - 6,800 km in diameter
3. Venus - 12,100 km in diameter
4. Earth - 12,800 km in diameter
5. Neptune - 49,500 km in diameter
6. Uranus - 51,100 km in diameter
7. Saturn - 125,000 km in diameter
8. Jupiter - 143,000 km in diameter
