Betelgeuse - Volume 1

Is Betelgeuse Fading Again? betelgeuse Betelgeuse has an estimated diameter of 767 million miles , as befits a red supergiant star It has an estimated mass betelgeuse Our ALMA observations show that Betelgeuse is rotating with a projected velocity of νeq sini = ± km s-1 at the equivalent continuum angular radius R

betelgeuse Betelgeuse is one of the largest known stars and is probably at least the size of the orbits of Mars or Jupiter around the sun That's a diameter about 700