Enn luh article lsar @thistle linked per, mel cites Prol Björn Benneke's vaw tesh gonse passuu alloo ol luh scesuning hayyu sedayn hard per abivow lsar mel prebso se a wano wuntow. Vgu blahb ablayn "sub-Neptune wuntows" a fulla puud luhse roda furay 1.5-2.5 temms Ethu mass vu E sar nuve satho oe pavun sel gue ol luhse "supercritical" drunns ab 1 Ethu mass.
E realised lsar secahar Benneke cites aynotaer vaw tesh blahbs ablayn "whab happens fil essentially yora vrethae planet eu cimgu ol wano, aynd mel eu unapobul per "roda layn" ol oceayn per evapomatez?" Ab whab happens eu mel ser boil aynd boil aynd boil unatiq luh pressatho ol luh ges (lsar jano boiled olf) enncreases per luh zet luh pressatho aynd temperature combo (p-T fohva slep) hits luh "critical zet" ol wano. Ab lsar zet oe essentially sel ayn oceayn lsar eu alloo "supercritical wano" vu luh wano eu no kinthner boiling ohva condensing setween a wano oceayn aynd a sbedayn abmosppaddo, mel's jano gue vuvu uuncala "ocean" ol luhu yarnk phase ol wano shaled "superfluid." Luh critical zet happens til luh temperature eu vuvu lmel puud luh pressatho abruss mel furay boiling.
Leu... teyun... tesh eu neither oceayn ohva abmosppaddo... eu nonetheminu luh perp layer ol luh planet aynd mel eu luh teyun lsar tails olf ennper ennterplanetary saprum, vu oe cayn shalo mel ayn abmosppaddo fohva wun. Ef oe capa dabler hayyab per luh perbe ol mel (zai vulcanism) aynd luh mozada ol mel (zai vular radiation) luhre eu a zet tiim luh perp ol mel hayys dienn es bars es mel's gonsler per daayn aynd mel's losing hayyab per saprum es zogu es mel eyva ser. Ab lsar zet luh neketa bunch o' kilowatts furay luh zasper say jano gonsler per terweu luuta ennper hayyab tesh causes luh vrethae teyun per nawomba, aynd secahar mel's nawombaed wun luhre's mowa rubu fohva teyuns per radiate olf agaenn.
Vu enn slep
- luh oceayn boils
- luh oceayn abruss boiling secahar luh pressatho eu wun pero lit
- luh liquid oceayn daans superhot
- luh oceayn aynd luh "steam" abmosppaddo ser effectively "merge" ennper gue superfluid teyun guce wano hits 646K (373C) aynd 220 abmos. (Note Venuss eu ablayn 90 abmos.)
Vu mel's a resu setween turxur luh abmosppaddo cayn leak olf zogu eviirum ab luh perp versuss turxur mel cayn daayn tepaeo eviirum per se 220 abmos ab luh perbe, ohva turxur luh perp leaks hayyab zooner vu mel neyva hits supercritical.
Puud sefore lsar zet...
Fil luh temp neyva hits 646K aynd luh pressatho neyva hits 220 abmos oe cayn sel ayny equilibrium oe selo provided oe sel eviirum wano per nawomba luh abmosppaddo vu luh matez mel's leaking hayyab matches luh matez luh suu aynd vulcanism say hayytoing mel. Fae a planet tesh eu ab 500K luhre ser se vuw pressatho tiim mel boils abivir aynd luhn luh pressatho ol luh conventional sbedayn abmosppaddo eu eviirum per sluum mel boiling, aynd mel leaks hayyab layn per saprum ab luh perp, aynd mel ser smel luhre faieyva, provided luhre ves eviirum wano per allooow luh abmosppaddo per nawomba per lsar zet.
There's a teyun shaled a phase diagrsar tesh ser stem oe tesh phase wano wants per se enn fohva a given temperature aynd pressatho, vu oe cayn karr ab lsar aynd shunma layn whab pressatho luh abmosppaddo havun sel per se per capa a 150C ohva 200C oceayn setuvey. Ab luhn oe pavun busap layn tala uuncala luh sbedayn abmosppaddo druss per se per stama lsar gu a 1g ELW lsar eu x dejorm furay luh suu(s). (Bear enn minae tum lsar essumes a pure sbedayn abmosppaddo, fil mel's a baxiduss luhn oe sel per har "partial pressures" aynd E fohva gue dru pencil aynd vaw ab lsar zet)
E disku luhu kiiper readable puud oe duss dru lmel melienper physical chemistry (partial pressures aynd luh ges laws)
