Rogue Exomoons: Self-Consistent Modeling of Tidal Heating in Hydrogen-Atmosphere Worlds for Long-Lived Liquid Water
To the point
Rogue planets could host exomoons where tidal heating and hydrogen-rich atmospheres keep liquid water for up to about 4.3 billion years, and new self-consistent models imply these environments might be habitable without a central star, though liquid water alone does not guarantee life.