Reduced-mantle super-Earths can transiently re-inflate late in life, with bulk density drops up to ~60%, as escape-driven pressure loss turns dissolved water into a light H2 atmosphere.
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Reflation: redox-driven atmospheric inflation as tracer of super-Earth geochemistry
Reduced-mantle super-Earths can transiently re-inflate late in life, with bulk density drops up to ~60%, as escape-driven pressure loss turns dissolved water into a light H2 atmosphere.