It is very thin.
A thin atmosphere is thin and a thick atmosphere is thick
No. Only Venus has a really thick atmosphere. Mars has only a thin atmosphere and Mercury has almost no atmosphere.
mercury's atmosphere is thin so sound waves don't travel very well and there is little oxygen.
A thick atmosphere
its thick
its thick
its thick
it has a thick atmosphere
Thin.
Venuses atmosphere is extremely thick
Eris has a very thin atmosphere
No, the atmosphere is very thin. "Mercury has a very thin atmosphere consisting of surface atoms blasted off its surface by the Solar wind. Because Mercury is so hot, however, these atoms quickly escape into space. Thus, in contrast to the Earth and Venus whose atmospheres are stable, Mercury's atmosphere is constantly being replenished."