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Episode 382: Betelgeuse's Demise

Play Mar 8•4:38

Earth might someday have a second sun in the sky, at least for a few weeks. This would occur when one of the brightest stars in the sky explodes as a supernova. The star is Betelgeuse, the red giant that marks the shoulder of the northern winter constellation Orion the hunter. But don't count on it to happening anytime soon. EarthSky on the Betelgeuse explosion.

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