QueSPER Research Projects
Planets in the Solar System
Ceres was discovered in 1801 and was considered a planet until other asteroids were discovered. Now Ceres is considered a dwarf planet.
*One AU is the distance from the center of the Earth to the center of the Sun.
Information on this page was taken from the following websites:
Links to OtherSites
Books and References
"The Solar System 12/2006: 8 Planets; The New Cosmic Order." Map Insert. National Geographic Magazine. Dec., 2006.
Other Links to Sites
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