Solar Prominences!

Posted: May 17, 2006 in Astronomy & Space

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We are at solar minimum right now-meaning that during the roughly 11 year cycle, the number of sun spots is at its lowest.The prominences are not related to sunspot activity.They occurr at the surface of the sun (Corona).The prominences are made up of relativly cool (10,000 Celseus) plasma, the prominent arch structure they have is supported by magnetic fields. The image here was taken by Greg Piepol of Rockville,Maryland.Source: http://www.spaceweather.com

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