A dwarf planet is an object that orbits the sun, has enough mass to become mostly round, is not in orbit around another object, and has not cleared the area around its orbit of other objects. Currently there are five known dwarf planets in our solar system. There may be hundreds...

Facts On The Five Known Dwarf Planets [Infographic]

A dwarf planet is an object that orbits the sun, has enough mass to become mostly round, is not in orbit around another object, and has not cleared the area around its orbit of other objects. Currently there are five known dwarf planets in our solar system. There may be hundreds...

Planet family photo updated to feature new images of Pluto!

We've finally added Pluto to the family portrait of the Solar System

Pluto: A Dwarf Planet Oddity, SPACE.com | July 2012

Pluto: A Dwarf Planet Oddity, SPACE.com | July 2012

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