← Back to context Comment by soco 6 months ago But boiling off would have still kept that water in the atmosphere right? 1 comment soco Reply HPsquared 6 months ago Not if it's hot enough that the water molecules reach escape velocity in the exosphere! (As happens with helium today, helium atoms being lighter move faster at a given temperature than water molecules)
HPsquared 6 months ago Not if it's hot enough that the water molecules reach escape velocity in the exosphere! (As happens with helium today, helium atoms being lighter move faster at a given temperature than water molecules)
Not if it's hot enough that the water molecules reach escape velocity in the exosphere! (As happens with helium today, helium atoms being lighter move faster at a given temperature than water molecules)