Solar radius

From Wikipedia, the free encyclopedia

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:

(Astronomical unit).

The solar radius is approximately 695,500 kilometers (432,160 miles), or 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. doi:10.1023/A:1005116830445. 
• T. M. Brown, J. Christensen-Dalsgaard (1998). "Accurate Determination of the Solar Photospheric Radius". Astrophysical Journal Letters 500: L195. doi:10.1086/311416. 

[edit] See also

• Astronomical unit
• Solar mass
• Solar luminosity