August 13, 2020

Dimming of one of galaxy’s brightest stars ’caused by dust cloud’

Paris (AFP) – The sudden dimming of one of the Milky Way’s brightest stars, Betelgeuse, could be due to a dust cloud spewing up from its surface, astronomers said on Thursday.The mystery has enthralled skywatchers since the star — part of the Orion constellation — began to lose luminosity last October, with some experts suggesting it could herald its explosion into a supernova.But researchers working with the Hubble telescope now have a clearer picture, seeing superhot plasma being unleashed from the star’s surface, cooling in the outer layers of the atmosphere and eventually turning to dust…

source https://this.kiji.is/en/666729054086792289?c=648607265489716321

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