"This discovery answers the millennia-old question of why this famous star experiences a roughly six-year-long periodic change in its brightness," according to NOIRLab.
Credit: International Gemini Observatory/NOIRLab/NSF/AURA/E. Slawik/ESO/L. Calçada/T. Matsopoulos
Image Processing: M. Zamani (NSF NOIRLab)
Motion graphics: Mik Garrison
Music: Never Alone/Never Dark - Mik Garrison
Winona Ryder?
That probably explains the dimming a few years ago. Lots of media outlets were calling for it to blow because of the dimming..
Someone had better warn the companion that Betelgeuse has an explosive temper.