Encyclopedia of Astrobiology

Living Edition
| Editors: Muriel Gargaud, William M. Irvine, Ricardo Amils, Henderson James Cleaves, Daniele Pinti, José Cernicharo Quintanilla, Michel Viso

Solar Radius

  • Daniel RouanEmail author
Living reference work entry
DOI: https://doi.org/10.1007/978-3-642-27833-4_1462-2


The solar radius is defined as the mean radius of the Sun. The currently accepted value is 6.955 × 108 m. This is the unit most frequently used to express the radius of other stars. Note that the Sun is very slightly oblate because of its rotation, by about 10 ppm.

Copyright information

© Springer-Verlag Berlin Heidelberg 2014

Authors and Affiliations

  1. 1.LESIAObservatoire Paris-Site de MeudonMeudonFrance