Wee Worlds: Our 5 (Official) Dwarf Planets: Quick Facts

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Photos

Pluto and its large moon, Charon, appear overexposed in this Hubble Space Telescope image obtained in 2006 to confirm the existence of the two small moons Nix and Hydra (at right).

New Horizons near Pluto

An image taken by the Hubble Space Telescope showing the dwarf planet Eris in visible light.

rotation of Ceres

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Topics

Dwarf planet 10 Important Dates in Pluto History Pluto Today in History—February 18: From Kansas to the Kuiper Belt How big is Pluto?