Planets
Pluto
The dwarf planet at the edge of the Solar System
About Pluto
Pluto is a dwarf planet in the Kuiper Belt. It was reclassified from a planet to a dwarf planet in 2006 by the International Astronomical Union.
Scientific Facts
Pluto has a diameter of 2,377 km. Its orbit takes 248 Earth years. It has 5 known moons, the largest being Charon.
Interesting Facts
Pluto was discovered by Clyde Tombaugh. It has a heart-shaped glacier called Sputnik Planitia. Its surface has mountains made of water ice.
Fun Facts
Pluto's mountains are made of water ice. A day on Pluto lasts 6.4 Earth days.
Discovery
Discovered by Clyde Tombaugh in 1930.