A solar flare is a sudden burst of light on the sun's surface, usually accompanied by a giant release of radiation into space. At 7:49 p.m. EST on Feb. 24, 2014, what scientists call a significant solar flare peaked. How significant is significant? The classification scale runs A, B, C, M and X, with X being the most intense. The scale is further divided into X1, X2, etc. … [Read more...]