Mass ejection. Updating with link: https://phys.org/news/2020-08-hubble-betelgeuse-mysterious-dimming-due.html https://phys.org/news/2020-08-hubble-betelgeuse-

Mass ejection. Updating with link: https://phys.org/news/2020-08-hubble-betelgeuse-mysterious-dimming-due.html https://phys.org/news/2020-08-hubble-betelgeuse-mysterious-d...