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. Author manuscript; available in PMC: 2020 Dec 17.
Published in final edited form as: Nat Astron. 2020 May 11;4:756–761. doi: 10.1038/s41550-020-1080-9

Extended Data Fig. 4 — Maximum achievable brine temperature and corresponding water activity of calcium perchlorate brines formed through deliquescence.

Extended Data Fig. 4 —

To better resolve the habitability of (meta)stable calcium perchlorate brines, here we plot (a) the maximum temperature and (b) corresponding water activity of resulting brines. The latitude range is restricted to non-polar regions. The background is the grey-scaled shaded relief map of Mars based on MOLA data