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Discovery of mechanism that halts solar eruptions before they leave the Sun

24 December 2015 Astronomy Now

Among the most feared events in space physics are solar eruptions — massive explosions that hurl millions of tons of plasma, gas and radiation into space. These outbursts can be deadly to astronauts and when these eruptions reach the magnetic field that surrounds the Earth, the contact can create geomagnetic storms that disrupt cell ‘phone service, damage satellites and knock out power grids.