“Will Betelgeuse explode in ‘tens of years’?”

Betelgeuse is the nearest red supergiant star to Earth. Distance estimates vary, but it’s probably within 1,000 light-years … a hop and a skip in galactic terms. Someday, Betelgeuse will explode as a supernova. Then it might become as bright as a full moon, possible visible in broad daylight! But when will Betelgeuse explode? The answer has been: Maybe today. Maybe a thousand years from now. But, since 2019, there’s been a noticeable uptick in the brightening and dimming of Betelgeuse. And a new paper – published this week (June 1, 2023) – suggests not thousands of years but “tens of years” as the timescale for Betelgeuse’s going supernova.
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