Why do stars mysteriously disappear from the night sky?

SciTechDaily

Artist’s impression of the binary system VTFS 243. Credit: ESOL. Calçada CC BY 4.0 Astrophysicists at the University of Copenhagen are helping to explain a mysterious phenomenon in which stars suddenly disappear from the night sky. Their study of an unusual binary star system led to strong evidence that massive stars can completely collapse into … Read more