(Phys.org) -- Here on Earth we are occasionally concerned about solar flares due to the impact they can have on our electrical systems. But our solar flares are puny when compared to so-called superflares that occur with other stars. A new research study by a team from Japans Kyoto University has found after studying one patch of sky over a 120 day period in 1990 using data from the Kepler telescope, that superflares are rather common, and as they describe in their paper published in the journal Nature, some are a billion times as powerful as those that occur with our own sun.
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