90%

Pluto's Atmosphere

Nitrogen

Other Gases Like Methane

Compare Earth's Atmosphere To Pluto's

The Majority Of Earths Atmosphere Is Nitrogen Also.

Methane is a harmful gas that doesn't naturally exist on Earth.

http://climate.ncsu.edu/edu/k12/.AtmComposition

http://www.windows2universe.org/pluto/pluto_composition.html

10%

Earths Atmosphere