Credit: SOHO
Solar flares are large explosions on the Sun's surface caused by a sudden release of magnetic energy. They are known to cause local short-lived oscillations traveling away from the explosion like water rings. It turns out that the energy in the solar acoustic spectrum is correlated with flares. This means that the flares drive global oscillations in the Sun in the same way that the entire Earth is set ringing for several weeks after a major earthquake such as the 2004 December Sumatra-Andaman one.
Solar flares are the ones feeding the solar wind that hits the Earth.
You must watch this awesome video of a sun very much alive! You simply must!
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