Dwarf Planets of Our Solar System (Infographic)  by Karl Tate  In 2006 the organization responsible for classifying celestial bodies, the International Astronomical Union, decided that a new class of objects was needed. The solar system's erratic ninth planet, Pluto, was assigned to the new “dwarf planet” category along with four other bodies, all tinier than Earth’s moon. Some astronomers expect there may be as many as 50 dwarf planets in the solar system.

Dwarf Planets of Our Solar System (Infographic) by Karl Tate In 2006 the organization responsible for classifying celestial bodies, the International Astronomical Union, decided that a new class of objects was needed. The solar system's erratic ninth planet, Pluto, was assigned to the new “dwarf planet” category along with four other bodies, all tinier than Earth’s moon. Some astronomers expect there may be as many as 50 dwarf planets in the solar system.

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Dwarf planet Pluto was discovered in 1930 and was once considered to be the ninth planet from the sun in Earth’s solar system.

Dwarf planet Pluto was discovered in 1930 and was once considered to be the ninth planet from the sun in Earth’s solar system.

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Pluto: A Dwarf Planet Oddity (Infographic) | Pluto Facts & Figures | Pluto Moons & Atmosphere | Space.com

Pluto: A Dwarf Planet Oddity (Infographic) | Pluto Facts & Figures | Pluto Moons & Atmosphere | Space.com

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Dwarf Planet Ceres: Biggest in the Asteroid Belt By Karl Tate, Infographics Artist   | 3/5/15 Facts about protoplanet Ceres.

Dwarf Planet Ceres: Biggest in the Asteroid Belt By Karl Tate, Infographics Artist | 3/5/15 Facts about protoplanet Ceres.

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Learn about Pluto and the other dwarf planets: Ceres, Haumea, Makemake, and Eris!

Learn about Pluto and the other dwarf planets: Ceres, Haumea, Makemake, and Eris!

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