Sun spots may unleash solar flares

  

May 9, 2012 (CHICAGO) (WLS) -- Sun spots could unleash solar flares toward earth.

NASA tracked a dark hole on the sun's surface. It is expected to launch a solar storm, which creates flares.

Sun spots are caused by extreme magnetic activity. They are not expected to cause any major damage, but could have an impact on some of your electronic gadgets.

Solar flares can also affect power grids and satellites.

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