Dark-world oceans: moons around sunless rogue planets could harbor life for billions of years

1 min read
Source: Space
Dark-world oceans: moons around sunless rogue planets could harbor life for billions of years
Photo: Space
TL;DR

New simulations suggest Earth-sized moons orbiting free-floating, starless rogue planets could remain warm enough to keep liquid water on their surfaces for up to 4.3 billion years, thanks to tidal heating and insulating hydrogen atmospheres, potentially expanding habitable environments beyond traditional stellar zones.

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