Physical Characteristics

Pluto is the smallest planet in the solar system, but the largest dwarf planet. Pluto’s color is reddish brown coming from the gases surrounding it. Pluto has no rings. It is made up of earth, ice, and rock.

Pluto has 3 layers - the core, mantle, and crust. The core is made of rocks and metals. The mantle is made of ice. The crust is made of a rocky material and ice.

Pluto has a very thin atmosphere so it can’t hold liquids. The atmosphere extends as far as 1,000 miles above its surface. Scientist’s think that in the ancient past the atmosphere could have been roughly 40 times thicker than Mars' atmosphere.

Pluto has 5 moons - Charon, Styx, Nix, Kerosene, and Hydra (in order from largest to smallest.) Charon is the largest moon and half the size of Pluto.

In conclusion Pluto has a lot of unique physical characteristics making it a cool planet.