Over time, Betelgeuse changed color. Waiting for Betelgeuse to go Supernova

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Published on September 3, 2022 11:33:03 AM ● Video Link: https://www.youtube.com/watch?v=ya0nmRIw5k0

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Astronomers from antiquity through the present day have watched the red supergiant pulsing at the shoulder of the constellation Orion, and the star has continually put on a show, two new studies suggest. Betelgeuse may still be recovering from a deep dimming episode a few years ago, one team reports. And the star appears to have put on its reddish stage makeup just 2,000 years ago, before which it wore yellow, another team says.

That result means anyone waiting for Betelgeuse to go supernova will have a very long wait. If the star just became a supergiant in the last few millennia, it has more than 1 million years to go before the boom.

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