Proxima Cen b: A World 4.2 Light-Years From Earth

June 10, 2026

Proxima Cen b: A World 4.2 Light-Years From Earth

Proxima Cen b is a planet almost exactly Earth's size, orbiting the star closest to our Sun — just 4.24 light-years away. But could it support life? Scientists are still working to uncover the secrets of this nearby, mysterious world.

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