stellar flare


Also found in: Dictionary, Thesaurus.
Related to stellar flare: Solar flares

stellar flare

[′stel·ər ′fler]
(astronomy)
Ejection of material from a star in an eruption that may last from a few minutes to an hour or more.
References in periodicals archive ?
The "superflare" gives scientists insight into the physics of stellar flares that they cannot obtain from the Sun alone.
The project has found more than 500 supernovae in far galaxies, as well as many new cataclysmic variable stars, stellar flares, and tidal disruption events (when a star swings too near a galaxy's supermassive black hole and gets "spaghettified").
This scarcity may be due to the nature of the cluster stars, which are young and active, producing stellar flares and other outbursts that make it difficult to study them in detail.
In another instance, French astronomers reported some dramatic, potassium-laced stellar flares, only to learn later that the flares came from a night watchman who was lighting matches near the observing equipment.
Although we detected gigantic stellar flares before the Kepler mission, until its advent we were unable to catalog hundreds of them at a time.
Titanic stellar flares erupt without warning and blast out lethal doses of ultraviolet radiation.