Flare stars are those in which magnetic activity causes the star to brighten suddenly with brief,periodic and violent bursts of energy. They have magnetic fields which are typically a thousand times stronger than the Sun's. Flaring occurs persistently,abruptly and unpredictably,typically every few hours to several days,each one lasting minutes or hours. During a flare,the star jettisons vast quantities of subatomic particles into space at speeds approaching that of light,and the star's luminosity increases drastically | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Garlick, Mark |
Taille de l’image : | 6064 px × 2882 px |
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