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