In 2014, a massive star in the Andromeda galaxy began glowing brighter in infrared light, then slowly faded from view. Nearly a decade later, astronomers say they have identified the event as the ...
In A Nutshell A massive star in the Andromeda Galaxy faded by more than 10,000 times over a decade and vanished from view, likely collapsing into a black hole without exploding as a supernova ...
Their research was guided by a prediction from the 1970s: if a star collapses directly into a black hole, it should briefly glow in infrared light as it sheds its outer layers and becomes wrapped in ...