Astronomers were able to watch the unusually violent death of a red supergiant star for the first time. The observations completely change how they understand the final days of massive stars.
원문출처 : https://www.cnn.com/2022/01/06/world/red-supergiant-star-supernova-scn/index.html
원문출처 : https://www.cnn.com/2022/01/06/world/red-supergiant-star-supernova-scn/index.html