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Science > Astronomy > Solar System > Dwarf Planets > Pluto and Charon > Planet Controversy

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	IAU Resolutions 5&6 - http://www.iau.org/static/resolutions/Resolution_GA26-5-6.pdf The International Astronomical Union's definition of a planet in the Solar System and ruling on the classification of Pluto.
	Is Pluto a Giant Comet? - http://cfa-www.harvard.edu/icq/ICQPluto.html Discusses related discoveries and excerpts.
	Much ado about Pluto - http://science.nasa.gov/newhome/headlines/ast17feb99_1.htm News release from NASA affirming Pluto's planetary status.
	http://www.ifa.hawaii.edu/~jewitt/kb/pluto.html - http://www.ifa.hawaii.edu/~jewitt/kb/pluto.html Argues that Pluto is the most important Kuiper Belt object, not the least important planet, based on its orbit and other properties. From astronomer Dave Jewitt, who studies comets and other primitive solar system bodies.
	When Is a Planet Not a Planet? - http://www.theatlantic.com/issues/98feb/pluto.htm Articles discusses the debate whether Pluto should be included among the planets. [Atlantic Monthly]

	PBS NewsHour: Pluto Debate - http://www.pbs.org/newshour/indepth_coverage/science/pluto/index.html Reports regarding the controversy over Pluto's classification, focusing on pop culture influences and newsworthiness.
	National Geographic News: Pluto: Planet or Comet? - http://news.nationalgeographic.com/news/2001/02/0216_Pluto.html Discusses Pluto's similarity to other Kuiper Belt objects, and introduces a 5-way classification scheme for solar system objects to break down the lumping together of dissimilar planets.
	SciZone - Ontario Science Centre: Pluto: Planet or Not? - http://www.ontariosciencecentre.ca/scizone/brainz/hamilton/pluto_planet_or_not.asp Brief nontechnical introduction to Pluto and similar objects such as Sedna and Quaoar, and a summary of the features that make Pluto different than the other planets. Includes a capsule summary of the arguments for and against calling Pluto a planet.
	SPACE.com: Pluto's Planet Status Could be Jeopardized by Sedna Discovery - http://www.space.com/scienceastronomy/sedna_pluto_040317.html Discusses the ongoing debate over the definition of the term "planet", and suggests that if Pluto should be considered a planet, so should Sedna and similar bodies.
	New Horizons: Is Pluto a Planet? - http://pluto.jhuapl.edu/science/everything_pluto/11_pluto_planet.html Brief discussion of the controversy, and suggested classification of "Ice Dwarf" for Pluto, Charon, Sedna, and similar objects.

	What is a Planet - http://astron.berkeley.edu/~basri/defineplanet/whatsaplanet.htm Reviews newly-discovered objects that stretch the definition of the term, including massive superjupiters, free-floating planets, and other exoplanets. Suggests a definition based on the way an object is formed. From astronomer Gibor Basri.
	CBS News: Pluto: Planet Or Junk Snowball? - http://www.cbsnews.com/stories/2005/02/14/tech/main673946.shtml Outlines the history of the debate.
	Gravity Rules: The Nature of Planethood - http://www.spacedaily.com/news/outerplanets-04b.html Article discussing possible definitions that qualify objects, such as Pluto and Sedna in the Kuiper Belt, as being planets or not.
	Astronomer Upset at New Planet Proposal - http://www.washingtonpost.com/wp-dyn/content/article/2006/08/19/AR2006081900344.html Washington Post article describes Michael Brown's disagreement with a proposal to expand the definition of a planet to include, among others, his own discovery.

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