Image Details
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.
© 2026. The Author(s). Published by the American Astronomical Society.