I don't know the solar radius, but all I know is the radius and that is 25.7 R. you. :)
A red hypergiant star could have a radius of up to 2000 solar radii or more, where one solar radius is the radius of our sun. If at the centre of our solarsystem, a hypergiant could extend out as far as Jupiter or more.
The radius of a star is a measure of its size, typically expressed in units such as solar radii, where one solar radius is the radius of the Sun, approximately 696,340 kilometers (about 432,690 miles). The radius can vary widely among different types of stars, ranging from less than a third of the Sun's radius for small red dwarfs to more than 1,000 times the Sun's radius for massive supergiants. The radius is determined through methods such as observing the star's brightness, temperature, and spectral characteristics.
Job:9:9: Which maketh Arcturus, Orion, and Pleiades, and the chambers of the south. Job:38:32: Canst thou bring forth Mazzaroth in his season? or canst thou guide Arcturus with his sons?
No. Radius is half of the diameter.
(radius+radius) times pi
Arcturus has a radius about 26 times that of our Sun.Our Sun has a radius about 109 times that of Earth.So a quick bit of math: 109 x 26 = 2,834 times that of Earth
Arcturus isn't too much more massive than the Sun - about 1.1 solar masses - but its radius is almost 26 times greater than the Sun, and its power output is much higher; almost 180 times greater.
Arcturus has a mass estimated to be about 1.1 times the mass of our Sun, making it slightly more massive than the Sun.
The Sun has a radius of about 1 solar radius. If a star has a size of 0.1 solar radius, this means the Sun is 10 times larger than that star. To find this, you simply divide the Sun's radius (1 solar radius) by the star's radius (0.1 solar radius). Thus, the Sun is 10 times larger in size compared to the star.
Regulus Arcturus Black.Regulus Arcturus Black.Regulus Arcturus Black.Regulus Arcturus Black.
Oh, dude, Arcturus is a red giant star, like the cool grandpa of our Sun. It's so massive that you could fit over 1.6 billion suns inside it. So, yeah, it's basically playing in a whole different league.
Arcturus, a red giant star in the constellation Boötes, has a radius about 25 times that of the Sun. This means that approximately 1.5 million Suns could fit inside Arcturus, assuming a simple volume calculation based on their sizes. However, since stars are not solid, this is a theoretical estimate based on their volumes.
1180 solar radius
Arcturus is a red supergiant with a radius 25 times larger than our Sun. If our Sun was replaced by Arcturus it's outer edges would reach beyond Mars. See related link for a pictorial representation.
Arcturus
Arcturus is in class A.
A red hypergiant star could have a radius of up to 2000 solar radii or more, where one solar radius is the radius of our sun. If at the centre of our solarsystem, a hypergiant could extend out as far as Jupiter or more.