Butterfly‑Shaped Coronal Hole May Trigger G2 Auroras Sept 13‑14
A 310,000‑mile (500,000 km) butterfly‑shaped coronal hole will stream solar wind toward Earth around September 14, with a chance of a G2 geomagnetic storm and auroras at mid‑latitudes. Read more: getnews.me/butterfly-shaped-coronal... #aurora #g2storm
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