[SFDXA] STRONG SOLAR FLARE:

Bill bmarx at bellsouth.net
Thu Apr 11 17:46:17 EDT 2013


*STRONG SOLAR FLARE: * The magnetic field of sunspot AR1719 erupted on 
April 11th at 0716 UT, producing an M6-class 
<http://spaceweather.com/glossary/flareclasses.html?PHPSESSID=vecujk5e8qlpadde8ksqkjd161> 
solar flare. NASA's Solar Dynamics Observatory recorded the explosion's 
extreme ultraviolet flash:


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