
Facula | Definition & Facts | Britannica
Facula, in astronomy, bright granular structure on the Sun’s surface that is slightly hotter or cooler than the surrounding photosphere. A sunspot always has an associated facula, though faculae …
Facula - Wikipedia
Facula (pl. faculae) is a bright spot on the surface of a planet or a star. It may refer to Solar facula; Geology of Mercury § Faculae; Bright spots on Ceres; List of geological features on Titan § …
Solar facula - Wikipedia
Sun's faculae. Dark regions are sunspots and the brighter speckled regions around them are faculae. Although image is in grayscale, it correctly presents true white color of Sun's …
NASA/Marshall Solar Physics
Jan 14, 2025 · Supergranules. Supergranules are much larger versions of granules (about 35,000 km across) but are best seen in measurements of the "Doppler shift" where light from material …
Structure of solar faculae - Oxford Academic
Nov 15, 2018 · Solar faculae represent, second after sunspots, significant and prominent manifestation of solar activity. Despite the fact that facula is marginally luminous in comparison …
FACULA Definition & Meaning - Merriam-Webster
The meaning of FACULA is any of the bright regions of the sun's photosphere seen most easily near the sun's edge.
Facula - Oxford Reference
facula Quick Reference 1 A brighter and hotter patch on the Sun's photosphere, visible in white light and best seen near the solar limb against the background of limb darkening.
Faculae and Sunspots at Solar Maximum and Solar Minimum
Jan 18, 2022 · Movie of SDO/AIA 1700 angstrom imagery, collected near solar maximum (April 2014). Note the small dark regions (sunspots) and the brighter speckled regions (faculae) …
Faculae - University of Oregon
Faculae are bright granular structures on the Sun's surface that are slightly hotter than the surrounding photosphere. A sunspot always has an associated facula, though faculae may …
Solar faculae explained - s u
Observations of the sun in white light with a small telescope (avoid eye damage by projecting the image on a piece of paper) shows two kinds of structures on the solar disk: dark sunspots and …