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A dark spot on the Sun: it's the size of 60 Earths. What does this mean?
On December 2, within 24 hours, a coronal hole, or dark spot, emerged on the surface of the sun. This formidable entity ...
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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
It indicates that the aurora may occur halfway between the green and yellow lines in the below image: These solar winds are coming from a giant coronal hole on the sun. The giant dark spot is not ...