Planet Facts
Planet Facts

Pluto Facts

Pluto is technically no longer a planet, but it is still the 10th largest body orbiting around the sun. The ex-planet got its name from an eleven year old girl in Oxford, England. She named Pluto after the Roman God of the underworld.

Pluto Facts You Might Not Know About
  • Pluto is smaller than the Earth's moon.
  • The color of Pluto is reddish-brown.
  • Pluto has an enormous moon for its size, Charon. It is more than half the size of Pluto.
  • The sun would look like a bright star from Pluto, since they are so far away from each other.
  • Pluto's thin atmosphere contains traces of methane, nitrogen and carbon dioxide.
  • Some astronomers believe that Pluto was once a moon of Neptune but it somehow escaped into its own orbit.
  • Pluto was discovered in 1930 by Clyde Tombaugh.
  • One reason why Pluto is declassified as a planet is because asteroids has been detected in our solar system that are as large or larger than Pluto. Stricter rules are now in place as to what can be called a planet. Pluto did not meet all the new requirements to be labeled as one.
  • Technically, Pluto's name is now 134340 after being declassified as a planet.
  • Because of Pluto's irregular orbit, there are periods of times when it is closer to the sun than Neptune.
  • Aside from Charon, Pluto has 2 smaller moons that were found in 2005.

Return back to Planet Facts