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Feb 8, 2021

Study of Supergiant Star Betelgeuse Unveils the Cause of Its Pulsations – Not at All Close to Exploding

Posted by in category: space

Recalibrated Betelgeuse’s mass, radius, and distance. Betelgeuse is normally one of the brightest, most recognizable stars of the winter sky, marking the left shoulder of the constellation Orion. But lately, it has been behaving strangely: an unprecedentedly large drop in its brightness has been observed in early 2020 (Figure 1), which has prompted speculation that Betelgeuse may be about to explode.

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