Huge Solar Flare Reveals Explosive Magnetic Trigger

For the first time, a massive solar flare revealed the process that created it, confirming new theories about flares and the explosive ejections of solar material often linked with them.

May 21, 2014
1:05 PM EDT
The July 12, 2012, X-class flare revealed new characteristics to solar physicists as to the nature of sliding reconnection. | NASA/SDO