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A Dusty Burp Could Explain Mysterious Dimming of Supergiant Star Betelgeuse – Gizmodo Australia

Doomed supergiant star Betelgeuse has been acting strange lately, appearing far less bright than usual and then bouncing back to normal. Hubble Space Telescope observations from last year suggest the unexpected dimming was caused by a sudden ejection of hot g…

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Doomed supergiant star Betelgeuse has been acting strange lately, appearing far less bright than usual and then bouncing back to normal. Hubble Space Telescope observations from last year suggest the unexpected dimming was caused by a sudden ejection of hot gases, which formed an enormous dust cloud after cooling.
A new study set to be published in The Astrophysical Journal (preprint available here) offers an explanation for the anomalous darkening episodes seen on Betelgeuse: a gigantic dust c…

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