alphabet

Faculae

Definition of Faculae:

part of speech: noun

In astron. certain spots sometimes seen on the sun's disc, which appear brighter than the rest of his surface. " Different parts of his ( the sun's) surface give different spectra. The spots have not the same spectrum as the bright parts of the disc; the ordinarily bright parts have not the same spectrum as the exceptionally bright parts called the faculae."- R. A. Proctor.

Usage examples for Faculae:

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