What is Pluto composed of?

Answer 1

NASA launched the New Horizons mission to go to Pluto and it will collect data in 2015. (This is not a "landing", just an observation.) Until then, our best data from Hubble Space telescope observations give only a general idea of what Pluto's composition.

It appears that Pluto has a rocky core making up 50% to 70% of its mass. The rest (30%-50%) is thought to be a mantle of water ice. There is also a very thin outer layer of 98% solid nitrogen. Methane and carbon monoxide have also been detected.

Answer 2

98% nitrogen ice, with some methane and carbon monoxide. The ice that is covering Pluto is reflecting and making Pluto to appear very bright.

Answer 3

Pluto's internal composition is much like Earth's.

Answer 4

The answer, we think,is:A mantle of waterice and the core is made of rock.
There's a very thin atmosphere of mainly nitrogen, but it's usually frozen into a solid.

Answer 5

Pluto's composition is unknown. It is thought to be about 70% rock and 30% water ice. The bright areas are probably nitrogen ice.

Answer 6

Pluto's internal composition is almost the same as the earth. The atmosphere is made up of 80% of nitrogen and surface is made up of ice.

Answer 7

Pluto is composed primarily of rock and water ice, with smaller amounts of frozen gases like methane and nitrogen. Its surface is also covered in patches of frozen methane and nitrogen.

Answer 8

Nitrogen Carbon Monoxide Methane

Answer 9

rocky