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When Is Betelgeuse Going To Go Off?
Posted
October 17, 2025
Views
539,493
Likes
11,869
Comments
1,274
Engagement
2.44%
October 17, 2025
539,493
11,869
1,274
2.44%
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14:37Now PlayingThe conversation explains where Betelgeuse is in its life cycle and why its supernova could happen anytime from “tomorrow” to ~100,000 years from now. It lays out the early warning sequence—neutrinos first, gravitational waves next, and visible light hours later—and notes we could pinpoint the source and watch an historic daylight supernova without danger to Earth. The discussion also riffs on historical sky records (e.g., the Crab supernova of 1054) and why the “Star of Bethlehem” lacks solid astronomical evidence.
From 'Answering Questions About Supernovas, with Michael Shara'
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