Planets, as the term is used for this category, are the eight solar system bodies which meet the International Astronomical Union definition of the word as described in http://www.iau.org/fileadmin/content/pdfs/Resolution_GA26-5-6.pdf
Subcategories 8
Sites 4
- Welcome to the Planets Images from NASA's planetary exploration program.
- Definition of Planet - Wikipedia Article describes the history and present controversy surrounding the word and its applicability to various objects.
- Planet Facts Provides photographs and information about each planet in the solar system.
- International Outer Planet Watch A program to study the time variability of the outer planets.