Yes BUT it is too thin to be one so we say it doesn't.
rock
yes
yes
gas
Pluto has no atmosphere
Effectively zero. The sun is so close, (so hot), and Mercury's gravity is so small, that any gases have had enough atomic kinetic energy to escape long ago.
it is the atmophere of the earth
The atmosphere was laden with moisture. The atmosphere constantly changes.
The earths atmophere came from your mom!
you can mine the gas. you can map the surface,. you can extract energy from the difference of heat in the atmophere.
A meteor and I checked Google
Well, the Co2 turns into slightly visible fumes and burns away at the atmosphere (o- zone layer)