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The International Astronomical Union has announced that the object previously known as 2003 EL61 is to be classified as the fifth dwarf planet in the Solar System and named Haumea. This now means that the family of dwarf planets in the Solar System is up to five.
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what is a dwarf planet
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Brief and Straightforward Guide: What is a Dwarf Planet?
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Britannica online encyclopedia article on dwarf planet (astronomy), body, other than a natural satellite (moon), that orbits the Sun and that is, for practical purposes, smaller than the planet Mercury yet large enough for its own gravity to have rounded its shape substantially. The International Astronomical Union (IAU) adopted this category of solar system bodies...
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Get information, facts, photos, news, videos, and more about dwarf planets and pluto and its role in the solar system from National Geographic.
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What is a dwarf planet?
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Dwarf Planets Inner Planets Outer Planets
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