Astronomers Solve Betelgeuse’s 6-Year Dimming Mystery by Spotting Secret Companion Star

Jul 23, 2025 - 18:00
Astronomers Solve Betelgeuse’s 6-Year Dimming Mystery by Spotting Secret Companion Star
Astronomers have finally spotted Betelgeuse’s hidden companion star, ending a 1,000-year mystery about its six-year dimming cycle. Using Gemini North’s advanced imaging, researchers captured the first image of the elusive companion orbiting deep within Betelgeuse’s atmosphere. The discovery solves a stellar puzzle and offers new insight into red supergiant systems.