limb darkening

Alternative definitions (0), class: vernacular (0)
Term: limb darkening

For certain solar spectral lines, a lessening of the intensity of the line from the center of the solar disk to the limb, caused by the existence of a temperature gradient in the Sun and the line-of-sight through the solar atmosphere.  Limb darkening also occurs in some radio wavelengths.

Created 2023.04.16
Last Modified 2023.04.16
Contributed by Ryan McGranaghan