Sentences with phrase «called faculae»

Sunspots are surrounded by a rim called faculae, and in this region the temperatures are actually higher than the average solar surface.

Not exact matches

There are more than 300 bright areas, called «faculae,» on Ceres.

Because of the variations of sunspots and faculae on the sun's surface, the total solar irradiance (TSI), also called the solar constant, varies on a roughly 11 - year cycle by about 0.07 %, which has been measured by orbiting satellites since 1978 [Lean, 1987, 1991; Wilson et al., 1981].