Because it's mostly made of pure oxygen.
A thin atmosphere is thin and a thick atmosphere is thick
Pluto has a very thin atmosphere.
Eris has a very thin atmosphere
The atmosphere on Mars is thin because it is 95.72% carbon dioxide.
Mars has a thin, mainly carbon dioxide atmosphere.
Earth has a thin atmosphere. Saturn has a thick atmosphere.
Thin.
It has a very thin atmosphere
Any gas or group of gases can make a thin atmosphere.
Yes it is and you should have search this up unless your thin!!!
Pluto's atmosphere is extremely thin, with (at most) 0.00032% of earth's atmospheric pressure.
The atmosphere has layered gases. It also has thin air.