Extended Data Fig. 2: Ice-free surface fraction, ρ, (A) and average temperature in the corresponding region (B). | Nature Astronomy

Extended Data Fig. 2: Ice-free surface fraction, ρ, (A) and average temperature in the corresponding region (B).

From: Early Mars habitability and global cooling by H2-based methanogens

Extended Data Fig. 2

Ice coverage and average surface temperature are evaluated across the spatial projection of Mars average temperature distribution (see Methods). The black dotted line in B is the first diagonal corresponding to the planetary averaged surface temperature \(\bar T_{surface}\).

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