Space/Science — HabitableZone

Space/Science » in reply to Relax...

Re: relax...

"In fairness, the Blue Mars community has proposed such tests (e.g. spectral search for carbonates, radar sounding for subsurface water, orbital imaging of geomorphologic water-related features, etc.). I'd feel more comfortable if Nick or others could do the same for White Mars."

Good point. But let's start with Earth.
Question: Does Liquid CO2 occur naturally anywhere on Earth?

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