Pluto is rocky planet. It is made of about 70% rock and 30% water. The core is made of rock and perhaps some ice. Pluto has three layers. The mantle is made of rock and water ice. The crust is covered with methane, nitrogen, and carbon dioxide ice.
PLUTO'S ATMOSPHERE AND WEATHER
Pluto is made up of mostly nitrogen with a little carbon monoxide and methane.
Its atmospheric pressure is very low.
Temperatures on Pluto range from -396°F to -378°F.