The atmosphere of the moon is very tenuous and insignificant in comparison with that of the Earth--less than one hundred trillionth the density of the Earth's atmosphere at sea level. For most practical purposes, the Moon is considered to be surrounded by a vacumn.
Zero
Mercury has no moons and no atmosphere. Venus has an atmosphere but no moons. Mercury probably has no moons and no atmosphere because it is very close to the sun.
Mars' moons have no atmosphere
Unfortunately Jupiter has over 60 known moons. Still, not many have much of an atmosphere. The 4 biggest moons have very thin atmospheres. The details: Callisto : carbon dioxide. Io : sulfur dioxide Europa and Ganymede : mainly oxygen. Remember these are very thin atmospheres.
Pluto has:5 moonsNo ringsOnly has a temporary thin atmosphere during its "summer" years when it is closer to the sun and the surface ice evaporates.
A thin atmosphere is thin and a thick atmosphere is thick
A thin atmosphere is thin and a thick atmosphere is thick
The moon does not have an atmosphere.
A solid surface.Creation before the Frost line.Small diametersRocky crust
There is no atmosphere on the moon. There is insufficient gravity to keep an atmosphere there.
Eris has a very thin atmosphere
Pluto has a very thin atmosphere.