Space/Science — HabitableZone

Space/Science » in reply to A Europan Ocean Is A Sure Bet

Don't bank on it

Hi All

Mark, haven't more recent studies canned the whole idea of Europan oceans being anywhere near the surface? I remember something about crater modelling meaning the crust is at least 30 km deep. Also the whole concept of liquid oceans is in doubt because "solid-state" convection is probably too efficient for them to last. Ammonia-water oceans don't have the same issues with convecting ice. As for writing off ammonia-water biochemistry I think we know far too little to say.

Adam

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