NSF's National Optical-Infrared Astronomy Research Laboratory (NOIRLab): Gemini North Discovers Long-Predicted Stellar Companion of Betelgeuse
noirlab.edu/public/news/...
Gemini North Discovers Long-Predicted Stellar Companion of Betelgeuse - Gemini North telescope in Hawai‘i reveals never-before-seen companion to Betelgeuse, solving millennia-old mystery
Astronomers have discovered a companion star in an incredibly tight orbit around Betelgeuse using the NASA and U.S. National Science Foundation-funded ‘Alopeke instrument on Gemini North, one half of ...
