Facula
FACULA (diminutive of fax, Lat. for "torch"), in astronomy, a minute shining spot on the sun's disk, markedly brighter than the photosphere in general, usually appearing in groups. Faculae are most frequent in the neighbourhood of spots. (See Sun.)
Note - this article incorporates content from Encyclopaedia Britannica, Eleventh Edition, (1910-1911)
