What does the red star in the sky indicate?

There are two kinds of red stars, one is the red star, which is generally divided into red giants according to the spectrum. Orion Betelgeuse can be clearly observed in winter, and the other is a fireball, a meteorite burning in the atmosphere. If the omen is good,

Red giant stars indicate the extinction stage of stars, while fireballs indicate the burning disappearance of meteorites and even the impact on the earth.