The star Betelgeuse visibly dimmed in 2019.
"Betelgeuse continues doing some very unusual things right now; the interior is sort of bouncing," study author Andrea Dupree, associate director of the Harvard & Smithsonian Center for Astrophysics, said in a"We've never before seen a huge mass ejection of the surface of a star," she said."We are left with something going on that we don't completely understand.
By piecing together different types of data, Dupree and her team were able to put together a narrative of the blowout and its aftermath. This cool spot and dust cloud explain why Betelgeuse's light dimmed. The star is still feeling the reverberations, the researchers found. It's possible that the convection cells inside the star are still sloshing around, disrupting this pattern, the researchers found.
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