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Onset of Habitable Conditions on the Hadean Earth Set by Feedback between Tides and Greenhouse Forcing

  • Authors: Marijn R. van Dijk, Harrison Nicholls, Tim Lichtenberg

Marijn R. van Dijk et al 2026 The Planetary Science Journal 7 .

  • Provider: AAS Journals

Caption: Figure 9.

CH4/CO2 ratios across redox states in modeled atmospheres, showing a clear trend from solidified reducing (top left) to mostly molten oxidizing (bottom right) cases. High nitrile production is expected when CH4/CO2 ∼ 0.1, i.e., ∼−1 on the logarithmic axis above.

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