ALMA observes record-breaking stellar flare from Proxima Centauri

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ALMA observes record-breaking stellar flare from Proxima Centauri

ALMA observes record-breaking stellar flare from Proxima Centauri

Image showing an active M dwarf star, Proxima Centuari, in red with many star spots, ejecting a large stellar flare in yellow and white. Proxima Centauri b, a small Earth-like planet is seen in the distant right of the image.

Artist’s conception of the violent stellar flare from Proxima Centauri discovered by scientists in 2019 using nine telescopes across the electromagnetic spectrum, including the Atacama Large Millimeter/submillimeter Array (ALMA). Powerful flares eject from Proxima Centauri with regularity, impacting the star’s planets almost daily.

Credit: S. Dagnello, NRAO/AUI/NSF

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