An Oxidation Gradient Straddling the Small Planet Radius Valley

An Oxidation Gradient Straddling the Small Planet Radius Valley

We present a population-level view of volatile gas species (H _2 , He, H _2 O, O _2 , CO, CO _2 , CH _4 ) distribution during the sub-Neptune to rocky planet transition, revealing in detail the dynamic nature of small planet atmospheric compositions. Our novel model couples the atmospheric escape mo...

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Bibliographic Details
Main Authors: Collin Cherubim, Robin Wordsworth, Dan J. Bower, Paolo A. Sossi, Danica Adams, Renyu Hu
Format: Article
Language:English
Published: IOP Publishing 2025-01-01
Series:The Astrophysical Journal
Subjects:
Exoplanets
Exoplanet atmospheres
Exoplanet atmospheric evolution
Exoplanet atmospheric composition
Planetary climates
Planetary atmospheres
Online Access:https://doi.org/10.3847/1538-4357/adbca9
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https://doi.org/10.3847/1538-4357/adbca9

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