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More Great Links- CNN: Pluto Gets the Boot
- Space.com: Pluto Demoted: No Longer a Planet in Highly Controversial Decision
- International Astronomical Union
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"Why is Pluto no longer considered a planet?." 25 August 2006. HowStuffWorks.com. <http://science.howstuffworks.com/pluto-planet.htm> 26 November 2009.
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