Sun

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Related to Limb darkening: limb brightening

Sun

A unit of length in Japan equivalent to approximately 30 millimeters.
References in periodicals archive ?
Gas models accounted for limb darkening by insisting that the observer was sampling different depths within the Sun (see Fig.
2) the limb darkening of the photosphere, 3) the directional spectral emissivity of sunspots, and 4) the directional spectral emissivity of granulations [28], the emissivity of faculae constitutes one of the most powerful lines of evidence that the Sun is condensed matter.
As a result, it has been nearly impossible to synthesize a realistic and cohesive portrayal of sunspots, granulation, and limb darkening, even though a cursory review of the question suggests otherwise.
Limb darkening is explained by inferring the sampling of varying optical depths.