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A big bang for Betelgeuse?

Enrich your Physics This Enrich your Physics article contains links to: In recent years, Betelgeuse, one of the brightest stars in the sky, has been acting weirdly. So, what's been going on? Is this behaviour anomalous and, if so, is it a portend of more dramatic events to come? Betelgeuse is a red supergiant in the prominent constellation of Orion. Were it to replace the Sun, its radius would easily engulf the orbit...

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