X-ray flare sparks quake inside SunPublication date: 28 May 1998 Authors: Kosovichev, A.G., & Zharkova, V. V.
Journal: Nature Copyright: Nature Publshing Group Solar flares involve a release of the Suns magnetic energy as X-radiation, particle beams and high-speed plasma flows. But we have discovered, using data from the Solar and Heliospheric Observatory (SOHO), that these flares also affect the Suns interior, generating seismic waves similar to earthquakes. For example, a three-kilometre-high seismic wave was caused by a moderate X-ray flare that occurred on 9 July 1996 and propagated at about 50 kilometres per second to a distance 120 000 kilometres from the flare site.
Last Update: 30 May 2005
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