Rogue planet moons could harbor alien life for billions of years
Scientists say moons around rogue planets wandering through the galaxy could remain warm enough for life thanks to tidal heating and hydrogen-rich atmospheres. These dark, starless worlds may have had stable oceans for billions of years — long enough for complex life to potentially emerge.
Moons orbiting rogue planets, which drift through interstellar space without a host star, might possess conditions suitable for life. Researchers suggest that tidal heating, generated by gravitational forces within the planetary system, could keep these moons warm enough to sustain liquid water oceans. Furthermore, atmospheres rich in hydrogen could contribute to maintaining these potentially habitable environments over vast timescales.
This discovery expands the potential locations for extraterrestrial life beyond star systems, suggesting that life could arise and persist in previously unimagined cosmic settings.
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