Why is Betelgeuse blue? How big is Betelgeuse?

Betelgeuse is about 863 light years away from the earth, with a diameter of 1.438+084? 10 8 km, Betelgeuse comes from Arabic, right? Left leg? It means that the brightest star in Orion is also the brightest blue Supergiant star in the whole day, so the light emitted is blue and white, mainly located in the lower right corner of Orion, and the luminosity is hundreds of thousands of times that of the sun. Let's take a look at this beautiful star with this site.

How big is Betelgeuse? The name Betelgeuse comes from Arabic, which means left leg. It is on the list of the top ten brightest stars in the sky. This is a super bright blue Supergiant star. Many times the brightness will exceed? Betelgeuse Betelgeuse is the blue Supergiant star and the brightest star in Orion.

Betelgeuse is a famous blue-and-white Supergiant star, mainly located in the lower right corner of Orion. Its luminosity is several hundred thousand times that of the sun, and its diameter reaches 1.38+084? 10^8km。 Through observation, Betelgeuse continues to blow out strong stellar winds, and at the same time, it will intermittently throw out species, eventually forming an expanded gas shell, and the brightness will change to some extent, which is not a constant layer.

Why is Betelgeuse blue?

Betelgeuse will pass through nebular matter, which is a quite bright celestial body and the surrounding dust clouds will be illuminated by it. It is also related to some large nebulae. Betelgeuse is generally regarded as a member of Taurus-Orion R 1 Star Association, and it is a bright star near the nebula.

Someone wants to ask why Betelgeuse is blue. Actually, this question is a bit strange. The main reason is that it is a super blue giant, so the light it emits is blue.

Fox hunters are also easy to identify in the night sky. Although some stars look much dimmer, they are still conspicuous on the whole. Many beautiful stars are made up of Orion. Betelgeuse is the best observation date for1from early February to early April, and it can be easily seen in the air without blowing off dust.

Betelgeuse is a super bright blue giant in the sky, and it is relatively easy to find. Everyone needs to know more about this star.