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Originally Posted by Anaraxes
Here's a link to the paper at Colorado, and thus not behind the Nature paywall linked in the NASA article. |
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Originally Posted by Janosky and Edwards 2018
Below we will discuss the amount of CO2 necessary to raise temperatures sufficiently to allow liquid water; for now, however, take a nominal requirement as being about 1 bar of CO2,
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I'm not sure why they chose to explain it this way, rather than referring to a phase diagram directly. At the 20 millibars they estimate for total mobilizable CO2, liquid water can exist in the range of 273-293 K. This still probably isn't achievable with the terraforming technology we can envision, but it's much closer to possible.