Sunday, September 11, 2005

UNSTABLE SUN

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Art by Elaine Meine Supkis

By Elaine Meinel Supkis

The sun has long been recognized as a variable star because of the roughly 20-year sun spot cycle but recently, thanks to the many space telescopes and monitors we have launched and the old NASA has monitored, we now know exactly how unstable the sun really is. Namely, it is periodically spitting out x-ray events.

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