Comparison of the sizes of the largest known stars with the Sun

Date: 28.10.2021

VV Cephei. This star, located about 5,000 light-years from Earth, is the third largest in our galaxy - the Milky Way. Its radius is approximately equal to 1050-1900 solar radii.


V354 Cepheus, also located in the Milky Way galaxy, is 9000 light-years from Earth. Its radius is ≈ 1.06 billion km, which is approximately 1520 times the radius of the Sun.


• KW Sagittarius is a red supergiant located in the constellation Sagittarius, about 10,000 light-years from the Sun. The radius of the star is 1460 solar.


The pistol is one of the brightest stars in our galaxy. In 20 seconds, the Pistol star emits as much light as the Sun emits in a year. It is located near the galactic center, so the distance to it is as much as 25,000 light years.


Antares is a red supergiant and the brightest star in the constellation Scorpio, which is 600 light-years from the Sun. Its diameter is 400 times that of the sun. If Antares were in the place of the Sun, it would go beyond the orbit of Mars, and would touch Jupiter with its corona.


Betelgeuse is a bright star located in the constellation Orion. The distance to the star is, according to various estimates, 613-880 light years.


Aldebaran is one of the brightest stars in the night sky. Aldebaran is located in the constellation Taurus at a distance of ≈ 65.1 light years from Earth. The radius of the star is about 38 times the diameter of the Sun.


Rigel is approximately 860 light-years from the Sun. This star has a luminosity of about 130,000 times that of the Sun, making it one of the most powerful stars in the Galaxy.


Arcturus, located in the constellation Bootes, is located at a distance of 36.7 light years from Earth, which is quite close in cosmic scales. The radius of this star is equal to ≈25.7 times the radius of the Sun.


Pollux, located about 34 light-years from the Sun, is the brightest star in the constellation Gemini. This star is almost nine times the size of the Sun.


Sirius A and B are some of the closest stars to the Sun, at a distance of 8.6 light years. The radius of Sirius A is 1,190,000 kilometers (the equatorial radius of the Sun is 696,392 kilometers).


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