Betelgeuse dimming. Will it undergo a Great Dimming again as it did in 2019 .
Betelgeuse dimming. 5 magnitude since January 2024. Astronomers noticed that Betelgeuse is pulsing-expanding in size, in ways not experienced by typical other behavior. 7. But recently, something strange has been happening, Betelgeuse is getting dimmer again! This isn’t the first time Betelgeuse has dimmed. It's generally accepted that the dimming was caused by a dust cloud in the event that has now been dubbed 'The Great Dimming. Jun 16, 2025 · That star might be Betelgeuse, one of the most famous stars in the sky. They puzzled over the phenomenon and wondered whether May 30, 2025 · The Darkening of Betelgeuse This blanket of dust appears to be responsible for the sudden dimming of Betelgeuse observed between 2019 and 2021. Jun 16, 2021 · Betelgeuse’s Great Dimming was evident with the naked eye, but the observations presented by Montargès et al. Strange Behavior Sparks Speculation In late 2019 and early 2020, astronomers noticed Betelgeuse dimming dramatically—by more than 60% of its usual brightness. However, new research reveals a different story—its variations are likely influenced by a hidden companion star, nicknamed the “Betelbuddy. hslzkaut0m8oyd91ba6dglx0nwxvmglvlwevvehcanhdvsvc