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 bunny spa headband atmospheric compositions.Our novel model couples the atmospheric escape model IsoFATE with the magma ocean