A BIG CME IS COMING: Two sunspots erupted at once on March 23rd, producing a powerful X1-class solar flare. A bright halo CME is now heading for Earth. Models suggest it could reach our planet during the early hours of March 25th, bringing a chance of strong geomagnetic storms and mid-latitude auroras. Follow this developing story @ Spaceweather.com.
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Above: This halo CME could reach Earth on March 24/25.
