What is the Betelgeuse Star and Why it is so Bright?

Why does the brightness of the Betelgeuse star change ?

Betelgeuse also called α Orionis, is a star in the constellation Orion. It is also called the shoulder star of Orion. Since October 2019, the brightness of Betelgeuse, one of the brightest stars of the sky, falling inexorably. A descent into hell before his imminent brutal death? This is a suggestion that has appeared in … Read more