In our galaxy, a supernova explodes about once or twice each century. But historical astronomical records show that the last Milky Way core-collapse supernova seen by humans was about 1,000 years ago.
The next Milky Way supernova may not surprise astronomers at all. According to a recent study available on the arXiv preprint server, the Vera C. Rubin Observatory, ahead of its decade-long Legacy ...