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RAPIDLY GROWING SUNSPOT: A new sunspot is emerging in the sun's northern hemisphere. In less than a single day, the unnumbered active region has swollen from a barely-visible speck to a double-cored active region five times wider than Earth. Click to view the rapid developments:

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The new sunspot is growing so rapidly that its magnetic field is unstable. The region's magnetic canopy is crackling with C-class solar flares, including a bright C8-flare photographed by Andy Devey of southern Spain. Stronger flares could be in the offing if developments continue apace.

Quelle: Spaceweather