a star

Oddly dimming star isn’t about to explode after all

After weeks of inexplicable dimming, the star Betelgeuse in the constellation Orion is perking back up, suggesting that it won’t go supernova anytime soon.

This image of Betelgeuse, one of the brightest stars in the sky, is a color composite made from exposures taken as part of the Digitized Sky Survey 2.
Composite Image by ESO/Digitized Sky Survey 2. Acknowledgment: Davide De Martin

Rumors of Betelgeuse’s impending death have been greatly exaggerated. The red supergiant star appears to be in no danger of imminently exploding, even though a recent, dramatic dip in brightness hinted that it could be on its last legs. The latest observations reveal instead that the star is starting to regain its former light.

“Betelgeuse has definitely stopped dimming and has started to slowly brighten,” a team reported on February 22 in the Astronomer’s Telegram. “Observations of all kinds continue to be needed to understand the nature of this unprecedented dimming episode and what this surprising star will do next.”

With Betelgeuse’s light on the rise, astronomers are now hoping to figure out what caused such a precipitous drop in

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