#astronomy #RedSupergiant #SN2020tlf An article published in "The Astrophysical Journal" reports the observations of the #supernova cataloged as SN 2020tlf, the first case in which astronomers observed a red supergiant #star in the period immediately preceding the explosion.
https://english.tachyonbeam.com/2022/01/11/the-explosion-of-a-red-supergiant-star-has-been-observed/