Home > Science > Astronomy > Solar System > Planets
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
http://en.wikipedia.org/wiki/Definition_of_planet
Article describes the history and present controversy surrounding the word and its applicability to various objects.
http://www-ssc.igpp.ucla.edu/IJW/
A program to study the time variability of the outer planets.
http://www.planetfacts.net/
Provides photographs and information about each planet in the solar system.
http://pds.jpl.nasa.gov/planets/
Images from NASA's planetary exploration program.
Home > Science > Astronomy > Solar System > Planets
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