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Draft definition of "planet" and "plutons"

16 August 2006

The world's astronomers, under the auspices of the IAU, have concluded two years of work defining the difference between "planets" and the smaller "solar system bodies" such as comets and asteroids. If the definition is approved by the astronomers gathered 14-25 August 2006 at the IAU GA, our Solar System will include 12 planets, with more to come. Full text

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