stellar flare


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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.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
A stellar flare occurs when the magnetic field of a star rearranges itself, releasing huge amounts of energy in the process.
A stellar flare is a phenomenon wherein the magnetic field of a star rearranges itself and, in the process, releases large amounts of energy.
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.
Stellar flares from red dwarfs are particularly bright in ultraviolet wavelengths, compared with Sun-like stars.
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.