Dwarf planet: Media
astronomy
Videos
Why Isn't Pluto a Planet?
Being a dwarf planet isn't really a downgrade.
Video: Encyclopedia Britannica INC.
Images
Moons of Pluto
Pluto and three of its moons—Charon, Nix, and Hydra—as observed by the Hubble Space...
HST Pluto Companion Search/ESA/NASA
VIEW MORE in these related Britannica articles: