Exoplanets2025-11-091 minarXiv:2511.06507expressHow Hydrogen and Magma Create Water Deep Inside PlanetsSub-Neptunes — worlds slightly smaller than Neptune — are common among exoplanets. They are detected using the transit method (by the dimming of a star), pioneered by William Borucki.Harrison Horn·Allona Vazan·Stella Chariton·Vitali Prakapenka·Sang-Heon ShimAlbert EinsteinCecilia Payne-GaposchkinCharles Townesexoplanetplanetary migration👍👎☆SimplePopularAdvanced
