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With a radius between 640 and 764 times that of the Sun, [14] [11] if it were at the center of our Solar System, its surface would lie beyond the asteroid belt and it would engulf the orbits of Mercury, Venus, Earth, and Mars. Calculations of Betelgeuse's mass range from slightly under ten to a little over twenty times that of the Sun.
The Sun, the orbit of Earth, Jupiter, and Neptune, compared to four stars (Pistol Star, Rho Cassiopeiae, Betelgeuse, and VY Canis Majoris) Overview Although red supergiants are often considered the largest stars, some other star types have been found to temporarily increase significantly in radius, such as during LBV eruptions or luminous red ...
Betelgeuse is one of the best-known stars in the night sky, as well as the easiest to find. ... if placed at the center of our solar system, ... roughly 765 times the diameter of the Sun.
Yellow stars – hydrogen less strong, but evident metallic lines, such as the Sun, Arcturus, and Capella. This includes the modern classes G and K as well as late class F. Secchi class III: Orange to red stars with complex band spectra, such as Betelgeuse and Antares. This corresponds to the modern class M. Secchi class IV
An asteroid in our solar system will temporarily block the light of Betelgeuse, one of the brightest stars in the night sky, Monday evening and early Tuesday morning.
The disc and atmosphere of Betelgeuse (ESO) Supergiants have masses from 8 to 12 times the Sun (M ☉) upwards, and luminosities from about 1,000 to over a million times the Sun (L ☉). They vary greatly in radius, usually from 30 to 500, or even in excess of 1,000 solar radii (R ☉). They are massive enough to begin helium-core burning ...
Betelgeuse has entered an uncommon period of brightening again, this time rising in brightness by around 50 percent. Is the star about to go supernova?
This system is located at a distance of approximately 860 light-years (260 pc) from the Sun. A star of spectral type B8Ia, Rigel is 120,000 times as luminous as the Sun, and is 18 to 24 times as massive, depending on the method and assumptions used.