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14y ago

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In what unit do I measure the radius of a star?

You can use kilometers. Or you can compare it to the radius of our Sun, and say, for example, "This star has 600 times the diameter [or radius] of our Sun."


What is the radius of a star?

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.


How many times bigger than the earths radius is the suns radius?

the sun's radius is and half a million bigger than the radius of the sun.


What is the radius sun?

The radius of the sun = 695,500 kilometers or 432,163.664 miles.


Radius of the sun in meters?

The radius of the Sun is approximates 695 500 kilometers.


How does he find the measure of a radius if he knows the measure of the diameter?

The radius of a circle is half the diameter.


How many miles is in the sun's radius?

The radius of the sun = 695,500 kilometers or 432,163.664 miles.


A star has a size is of 0.1 solar radius how many times larger is the sun than this star?

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.


Why do scientist developed the solar Mass and solar radius?

In order to conveniently compare the distances from the various planets, astronomers devised a measure called the "astronomical unit". The Earth is one AU from the Sun. In order to conveniently compare the sizes of other stars to our Sun, astronomers use a "solar mass" as the mass of the Sun. and a "solar radius" as the radius of our Sun. This helps to make the comparisons more obvious to non-astronomers.


Which is larger the Sun's radius or the distance between the Moon and Earth?

The distance between the Moon and Earth is larger than the Sun's radius. The average distance between the Moon and Earth is about 384,400 km while the Sun's radius is about 696,340 km.


Is betegulese bigger then the sun?

Yes. The Wikipedia lists its diameter (or radius) as 950-1200 times that of the Sun. It is a variable star (its diameter changes); also it is hard to measure its diameter exactly.


How much bigger is Pistol Star than the Sun?

Its radius is estimated to be about 300 times the radius of the Sun.