english: It has a very large, thick atmosphere, and in fact, its surface environment was believed to be more like the environment we have here on the Earth, or at least had in the past, than any other body in the solar system.
non_english: Ima zelo veliko, gosto atmosfero in v resnici smo verjeli, da so razmere na njegovem površju bolj podobne tem, ki jih imamo na Zemlji, oziroma vsaj, kakršne smo imeli v preteklosti, kot na kateremkoli drugem telesu v osončju.