Posted by: bankshot
« on: December 07, 2023, 09:24:29 AM »You will need almost 2 atm of Frigisium to bring Mercury down to ideal temperature. Water will not condense and become hydrographic until temps are below 100C. If temps fluctuate above/below this it will undergo cycles of condensing and evaporating (I see this on one of my highly eccentric wet planets). Depending on Mercury's eccentricity you may or may not be able to bring it to colony cost to zero. In my current game the eccentricity is high enough that temps swing from -16 to 44, so while most of the time it is CC 0 it does increase to 0.05 at perihelion and aphelion.
F stands for frozen gas. This can be water or other gases like ammonia, methane or even hydrogen if the planet is cold enough. While frozen it does not count towards atmospheric pressure. If you raise the temperature the gas can unfreeze and add to atmospheric pressure/conditions. Note atmospheric frozen water vapor can still precipitate out into hydrographic ice.
F stands for frozen gas. This can be water or other gases like ammonia, methane or even hydrogen if the planet is cold enough. While frozen it does not count towards atmospheric pressure. If you raise the temperature the gas can unfreeze and add to atmospheric pressure/conditions. Note atmospheric frozen water vapor can still precipitate out into hydrographic ice.