Hidden Oceans on Free-Floating Planets: Habitability Around Starless Worlds and Their Moons

To the point

Starless, free-floating planets could still host life on moons or hidden oceans warmed by tidal heating and thick atmospheres.

Is life possible on rogue planets and moons?
planetary.org

Is life possible on rogue planets and moons?

Our exploration of the solar system combined with two decades of exoplanet research tells us there are several possibilities for life to exist on starless…