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| Photo via Space.Com |
By Daisy Dobrijevic published 6 hours ago
Forecasters warn of possible G2 geomagnetic storms as a colossal coronal hole sends solar wind racing our way.
A colossal butterfly-shaped coronal hole has opened in the sun's atmosphere and is currently spewing a fast-moving stream of solar wind toward Earth that could trigger a moderate geomagnetic storm and dazzling auroras this weekend.
The high-speed solar wind from this striking feature, spanning some 310,000 miles (500,000 kilometers) across, is expected to reach Earth around Sept. 14.
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