Sunspot 1302: It's big. It's bad. And it's coming our way
Monday, September 26, 2011 - 08:30
in Astronomy & Space
(PhysOrg.com) -- Behemoth sunspot 1302 unleashed another strong flare on Saturday morning--an X1.9-category blast at 5:40 am EDT. NASA's Solar Dynamics Observatory (SDO) recorded the extreme ultraviolet flash.