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Batten down the hatches, ye lubbers!
SEVERE SOLAR ACTIVITY: The most powerful solar flare in 14 years, a remarkable X18-category explosion, erupted from sunspot 486 this morning at approximately 1110 UT. A strong solar radiation storm is in progress. The explosion hurled a coronal mass ejection almost directly toward Earth, which could trigger bright auroras when it arrives on Oct 29th or 30th.
Posted by: mojo 2003-10-28
http://www.rantburg.com/poparticle.php?ID=20453