DWARF PLANETS
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Mysterious Tiny Worlds
Dwarf planets are round and orbit the Sun just like the eight major planets. But unlike planets, dwarf planets are not able to clear their orbital path so there are no similar objects at roughly the same distance from the Sun. A dwarf planet is much smaller than a planet (smaller even than Earth's moon), but it is not a moon. Pluto is the best known of the dwarf planets.

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  About Dwarf Planets Missions FAQ


Pluto orbits just beyond the orbit of Neptune in a region of our solar system known as the Kuiper Belt.

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Not yet. New Horizons will reach Pluto and other icy objects in the Kuiper Belt in 2015.

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Yes, that is true. Ceres is the only known dwarf planet within the Asteroid Belt. Learn more about what makes a space object a dwarf planet in our Dwarf Planet section.

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Pluto orbits just beyond the orbit of Neptune in a region of our solar system known as the Kuiper Belt.

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Not yet. New Horizons will reach Pluto and other icy objects in the Kuiper Belt in 2015.

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Yes, that is true. Ceres is the only known dwarf planet within the Asteroid Belt. Learn more about what makes a space object a dwarf planet in our Dwarf Planet section.

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