Results for Faculae

Definitions of Faculae:

part of speech: noun plural

Spots on the sun which appear brighter than the rest of its surface.

part of speech: noun plural

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:

• All groups of Sun- spots and faculae have been numbered, and the dates of their first and last appearances entered up to the present time. "Autobiography of Sir George Biddell Airy", George Biddell Airy

• It is also marked here and there by long streaks of light, called faculae which look like foam flecks below a cataract. "Remarks", Bill Nye