a Type II supernova, was discovered on May 19, 2023, by Japanese amateur astronomer Kōichi Itagaki in the Pinwheel Galaxy ...

"Thanks to the high resolution of our new images, we detected a faint structure on the northeast side of this supernova ...

and type II supernovae are caused by core collapse. Because the supernova "family tree" was laid out according to the light from supernovae, not their cause, there's technically also a type Ib and Ic.

A red supergiant star transitions into a type II supernova in this animation. Credit: W. M. Keck Observatory/Adam Makarenko | mash mix by Space.com's Steve Spaleta America's news TV channel for ...

Right now galaxy NGC 1566 is giving us a spectacular light show and astronomers suspect it could be coming from a powerful event called a Type II supernova, which occurs when a high-mass star ends ...