After a period of gloom, Betelgeuse began to brighten up quickly.

After a period of bleaker than usual, Betelgeuse began to brighten up quickly. Betelgeuse is a red supergiant star, has entered the end of life, the end of which will be a supernova explosion. There have been no bright supernovae in the Milky Way since the supernova in 1604.

After a period of gloom, the four stays and then began to brighten up quickly.

But rapid brightening does not mean a supernova explosion, but may be that Betelgeuse is starting to burn heavier metals, which are accelerating toward the supernova explosion.

After a period of gloom, the four stays and then began to brighten up quickly.