Solar radius

From Wikipedia, the free encyclopedia

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:

(Astronomical unit)

The solar radius is about 110 times the radius of the Earth.

[edit] References

• S. C. Tripathy, H. M. Antia (1999). "Influence of surface layers on the seismic estimate of the solar radius". Solar Physics 186 (1/2): 1-11. 
• T. M. Brown, J. Christensen-Dalsgaard (1998). "Accurate Determination of the Solar Photospheric Radius". Astrophysical Journal Letters 500: L195. 

[edit] See also

• Astronomical unit
• Solar mass
• Solar luminosity