50.0 MB (1.3 MB compressed)
6064 x 2882 pixels
51.3 x 24.4 cm ⏐ 20.2 x 9.6 in (300dpi)
MARK GARLICK / SCIENCE PHOTO LIBRARY MARK GARLICK / SCIENCE PHOTO LIBRARY
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.
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