Solar Corona


solar corona

[′sō·lər kə′rō·nə] (astronomy) The upper, rarefied solar atmosphere which becomes visible around the darkened sun during a total solar eclipse. Also known as corona.

Solar Corona

 

the outer and most extensive envelope of the sun. During total solar eclipses, the solar corona can be seen up to a distance of several diameters from the sun. In the short-wavelength part of the spectrum (λ < 200 A) and at meter wavelengths, all the radiation of the sun originates in the corona.

REFERENCE

Shklovskii, I. S. Fizika solnechnoi korony, 2nd ed. Moscow, 1962.