The Dark Secret of Proxima Centauri (Our Closest Neighbor) | Astronomical Science
There is a star so close to us that scientists have already found Earth-like planets orbiting it—yet you cannot see it with the naked eye. In this episode of Astronomical Science, we uncover the haunting truth about Proxima Centauri, our nearest stellar neighbor, and the mind-blowing planetary discoveries that change everything we thought we knew about life in the universe.
Step outside on a clear night and the sky looks still—but it’s a lie. Just 4.24 light-years (40 trillion kilometers) away sits the Alpha Centauri triple-star system. While Alpha Centauri A and B burn brilliantly, their quiet companion, Proxima Centauri, hides in the dark. It’s a red dwarf star that will outlive our Sun by trillions of years, but it harbors a violent heart.
Recent data from the Atacama Large Millimeter Array (ALMA) and the James Webb Space Telescope (JWST) have revealed terrifying stellar flares 14,000 times brighter than normal, blasting the habitable zone of Proxima Centauri b. Can life survive this radiation? Plus, we investigate the mysterious "disappearing planet" around Alpha Centauri A and how the Breakthrough Starshot mission plans to use lasers to get us there in just 20 years.
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