Brightness of Betelgeuse, a red supergiant star, varies over time, primarily following a 400-day cyclesource https://www.thenews.com.pk/latest/1079382-scientists-predict-betelgeuse-could-go-supernova-in-upcoming-decades
Shaheer Hassan
June 11, 2023
Brightness of Betelgeuse, a red supergiant star, varies over time, primarily following a 400-day cycle