from latimes: Sunspots, those dark regions on the surface of the sun whose high magnetic activity has ripple effects for Earthlings, seem to emerge and fade without warning. But now, by listening to the sounds the sun makes, scientists have managed to predict when a sunspot will appear up to two days beforehand. The findings, published in Friday’s edition of the journal Science, could help solar physicists understand how to better predict solar flares and other space weather events that can harm astronauts and damage power and electronics systems on Earth.
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