facula
noun
an irregular, unusually bright patch on the sun's surface.
faculae
-
pluralof facula.plural
The grammatical form denoting more than one person, place, thing, or idea.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Stellar contamination refers to the influence of the star's own features, such as dark spots and bright faculae, on the measurements of the exoplanet's atmosphere.
From Science Daily ● Sep. 25, 2023
"In addition to the contamination from stellar spots and faculae, we saw a stellar flare, an unpredictable event during which the star looks brighter for several minutes or hours," said Lim.
From Science Daily ● Sep. 25, 2023
What’s more, detailed observations from orbiting solar telescopes have shown that the small faculae pump out more energy per unit surface area than the larger ones already known to disappear along with the sunspots.
From Science Magazine ● May 26, 2011
Even during a prolonged minimum, they claim, an extensive network of very small faculae on the sun’s hot surface remains to keep the energy output above a certain threshold level.
From Science Magazine ● May 26, 2011
Perhaps one of the most interesting and useful pieces of astronomical work which an amateur can perform will consist of a record of the origin and changes of form of the solar spots and faculae.
From Side-Lights on Astronomy and Kindred Fields of Popular Science by Simon Newcomb
