Intense Aurora, CORRECTIVE,

Posted: Friday, November 09, 2001

ANCHORAGE (AP) -- In a Nov. 7 story about observations of the aurora borealis in much of the country, The Associated Press incorrectly reported the speed of solar wind, the particles of ionized hydrogen and other materials continuously sent from the sun that produce northern lights when they reaches the earth's upper atmosphere. The speed of the particles is generally 186 miles per second. A strong solar flare Nov. 4 more than doubled the speed to as much as 500 miles per second.

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