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Federal Agency Issues Geomagnetic Storm Watch -
Solar Storm to Hit Earth’s Magnetic Field on July 21 -
Rare Solar Superstorm Could Prompt ‘Internet Apocalypse’ Lasting Several Months: Study -
‘Threat to Modern Society’: Scientists Say Massive Solar Storm Hit Earth 2,600 Years Ago -
Traces of Radioactive Particles From Massive Solar Storm Discovered in Greenland Ice -
Scientists at Work: Space Balloons and Charged Particles Above the Arctic Circle -
Solar Storm to Hit This Weekend, Scientists Not Worried (Video)