Journal
09:01 · Oct 23, 2024 · Wed
https://science.nasa.gov/missions/chandra/the-dawn-of-a-new-era-for-supernova-1987a/
NASA Science
The Dawn of a New Era for Supernova 1987a - NASA Science
Three decades ago, astronomers spotted one of the brightest exploding stars in more than 400 years. The titanic supernova, called Supernova 1987A (SN 1987A),