Along with astronauts aboard the International Space Station, skywatchers around the world were treated to a stunning light show on St. Patrick's Day--thanks to a severe geomagnetic storm that hit Earth. (Scroll down for photos.) The geomagnetic storm that triggered Tuesday's auroras resulted from a stream of charged particles sent our way by a pair of massive eruptions that the sun released on Sunday. At its peak, the storm reached a G4-level intensity on a one- to five-point scale. Auroras occ...
Along with astronauts aboard the International Space Station, skywatchers around the world were treated to a stunning light show on St. Patrick's Day--thanks to a severe geomagnetic storm that hit Earth. (Scroll down for photos.) The geomagnetic storm that triggered Tuesday's auroras resulted from a stream of charged particles sent our way by a pair of massive eruptions that the sun released on Sunday. At its peak, the storm reached a G4-level intensity on a one- to five-point scale. Auroras occ...
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