Solar radius
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In astronomy, the solar radius is a unit of length used to express the size of stars and larger objects such as galaxies. It is equal to the radius of the Sun. Its value is:
- <math>r_\bigodot = 6.960\times 10^8\hbox{ m} = 0.00465247\hbox{ AU}<math>
The solar radius is about 110 times the radius of the Earth.