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Gigantic 500,000-mile 'hole' in the sun's atmosphere aims aurora-sparking solar wind at Earth (photo)
A colossal coronal hole, nearly 500,000 miles (800,000 kilometers) wide, has opened in the sun's atmosphere, spewing fast-moving solar wind toward Earth. Coronal holes are regions where the sun's ...
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The Northern Lights could dazzle the skies from Washington to New York on Friday, blown by winds from a giant 'hole' on the sun
See photos in our latest coverage. Skies across the northernmost US states could be graced with stunning displays of the Northern Lights on Friday, blown into view by a giant "hole" on the sun.