noun, plural fac·u·lae [fak-yuh-lee]. Astronomy. an irregular, unusually bright patch on the sun's surface.

What is a Facule?

moving, acting, working, proceeding, etc., with ease, sometimes with superficiality: facile fingers; a facile mind. easily done, performed, used, etc.: a facile victory; a facile method. easy or unconstrained, as manners or persons.

What is Facula astronomy?

facula, in astronomy, bright granular structure on the Sun's surface that is slightly hotter or cooler than the surrounding photosphere. ... Faculae are visible in ordinary white light near the Sun's limb (apparent edge), where the photospheric background is dimmer than near the centre of the disk.