4 ms·
In cosmic first, scientists observe red supergiant just before it explodes
- dredmorbius 5y agoPaper: "Final Moments. I. Precursor Emission, Envelope Inflation, and Enhanced Mass Loss Preceding the Luminous Type II Supernova 2020tlf", W. V. Jacobson-Galán et al: https://iopscience.iop.org/article/10.3847/1538-4357/ac3f3a https://iopscience.iop.org/article/10.3847/1538-4357/ac3f3a