A scientific revolution is changing our understanding of life in the universe.
Astronomers now suspect that rogue planets—worlds drifting through interstellar space without a star—may outnumber the stars themselves. Some could contain vast underground oceans capable of sustaining life for billions of years.
As these wandering planets drift through the galaxy, some may be captured by other stars, carrying life from one system to another.
Our own Solar System may even have captured some of these interstellar visitors, potentially influencing the evolution of life on Earth.
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