Titan, moon of Saturn. It has methane rain, rivers and lakes, and an atmospheric pressure one and a half that of Earth. The surface "geology" is frozen water ice forming mountains, plains etc. Very interesting moon! Also probably has a subsurface liquid water ocean beneath the "crust".
GunnarRoxen t1_j1d40fa wrote
Reply to comment by VCRdrift in Mars' ancient atmosphere may not have had much oxygen after all by pecika
Titan, moon of Saturn. It has methane rain, rivers and lakes, and an atmospheric pressure one and a half that of Earth. The surface "geology" is frozen water ice forming mountains, plains etc. Very interesting moon! Also probably has a subsurface liquid water ocean beneath the "crust".