Dimming Betelgeuse likely isn’t cold, just dusty, new study shows

Late last year, news broke that the star Betelgeuse was fading significantly, ultimately dropping to around 40% of its usual brightness. The activity fueled popular speculation that the red supergiant would soon explode as a massive supernova.

Source:
https://phys.org/news/2020-03-dimming-betelgeuse-isnt-cold-dusty.html