[SFDXA] Big Sunspots Staring at Earth

[William Marx]

> 
> Space Weather News  for July 17, 2016
> http://spaceweather.com
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> 
> BIG SUNSPOTS STARING AT EARTH: Solar activity has been low for months.  That could soon change.  Two big sunspots are staring directly at Earth, and one of them has an unstable magnetic field that harbors energy for M-class solar flares. Images and updates are available at http://spaceweather.com