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Aurora alert: Giant 'hole' in sun and strong geomagnetic storm converge to supercharge northern lights this weekend
A huge sun eruption combines with speedy solar wind from a "coronal hole" for a weekend aurora show, experts predict.
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NASA spotted a hole on the surface of the sun — coronal hole explained
NASA's Solar Dynamics Observatory just spotted a massive hole on the sun called a coronal hole ... speed solar winds that can sometimes disrupt satellite and radio communication satellites.
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Giant hole in the Sun could trigger solar storms in early February
Two giant holes in the Sun could create impactful space weather for Earth in early February. Recent NOAA satellite images show two coronal holes, areas on the surface of the Sun with cooler plasma.