Unusually bright spots, or patches, on the Sun's surface. They precede the appearance of sunspots and can remain for some months afterwards.
A bright region of the PHOTOSPHERE seen in white light, seldom visible except near the solar LIMB.
a large bright spot on the sun`s photosphere occurring most frequently in the vicinity of sunspotsFound on https://www.encyclo.co.uk/local/20974
in astronomy, bright granular structure on the Sun`s surface that is slightly hotter or cooler than the surrounding photosphere. A sunspot always ...Found on http://www.britannica.com/eb/a-z/f/2
Facula is a genus of butterfly in the family Lycaenidae. In Latin the name means little torch , in relation to the bright color worn on the Facula. ...Found on http://en.wikipedia.org/wiki/Facula_(butterfly)
• A bright area on the face of the Sun, commonly seen near an active region, such as a sunspot, or where such a region is about to form. Faculae, which last on average about 15 days, are best seen in blue light and are not visible at all in H-alpha. They were named by Johannes Hevelius and are ...Found on http://www.daviddarling.info/encyclopedia/F/facula.html
unusually bright spot on sun's surfaceFound on http://phrontistery.info/f.html
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