discoverynews:

Spectacular Aurorae Erupt Over Norway
Over the weekend, the Earth&rsquo;s magnetic field was struck by a coronal  mass ejection (CME). The CME &mdash; a vast bubble of solar plasma that had  erupted from the sun on Jan. 19 &mdash; took longer than expected to travel  through interplanetary space, but on Sunday it made contact.
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-Outdoor Outfitter
