Definitions

In astronomy, the solar radius is a unit of length used to express the size of stars. It is equal to the current radius of the Sun. Its value is:

$1,R_\left\{odot\right\} = 6.960times 10^8,hbox\left\{m\right\} = 0.004652,hbox\left\{AU\right\}$ (Astronomical unit).

The solar radius is approximately 432,450 miles (695,500 kilometers) or about 110 times the radius of the Earth, or 10 times the average radius of Jupiter.

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