After a freak event called the Great Dimming in 2019, the plasma that forms Betelgeuse is sloshing around inside the star, erasing pulsations that have been measured for centuries.
17 August 2022
Betelgeuse continues to act strangely. As the star recovers from having a large amount of its insides explode in late 2019 in an event that became known as the Great Dimming, its surface is now bouncing like jelly on a plate and has lost its natural 400-day heartbeat. what’s wrong with it. present for at least two centuries.
andrea dupree at the Harvard-Smithsonian Center for Astrophysics in Massachusetts and colleagues analyzed observations from a large number of telescopes to unravel what happened…