Re: Re: Super Earth with a radius and an atmosphere
Go deeper and the stuff hardens into Ice VII at 85 C - the further down you go, the higher the freezing point. Eventually though it ends up as an ionic fluid as the temperature rises and our high-pressure physico-chemistry loses accuracy. Carbon dioxide, methane and ammonia become solid at lower pressures than water oddly enough - the reverse of what happens at 1 atm.