New observations by the NASA/ESA Hubble Space Telescope suggest that the unexpected dimming of the supergiant star Betelgeuse was most likely caused by an immense amount of hot material ejected into space, forming a dust cloud that blocked starlight coming from Betelgeuse’s surface.
The release, images and videos are available on:
https://www.spacetelescope.org/news/heic2014/
Kind regards,
ESA/Hubble Information Centre
13 August 2020
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