Betelgeuse has a companion star! Astronomers see it for first time [1:21]

YouTube ^ | July 21, 2025 | VideoFromSpace

[SunkenCiv]

The companion star of Betelgeuse, seen for the first time by the Gemini North Telescope.  

Betelgeuse has a companion star! 
Astronomers see it for first time | 1:21 
VideoFromSpace | 2.02M subscribers | 5,713 views | July 21, 2025

[SunkenCiv]

"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

[SunkenCiv]

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[Red Badger]

Betelgeuse, Betelgeuse2?.....................

[Magnum44]

[KarlInOhio]

Winona Ryder?

[EVO X]

That probably explains the dimming a few years ago. Lots of media outlets were calling for it to blow because of the dimming..

[fwdude]

Someone had better warn the companion that Betelgeuse has an explosive temper.

[struggle]

Nah, then Betelgeuse would be stolen from us all

[BipolarBob]

Don’t say it three times.