Sun Unleashes Most Powerful Solar Flare of 2015 (Video)
Wednesday, May 6, 2015 - 05:50
in Astronomy & Space
The X-class solar flare — the most powerful class of sun storm — erupted Tuesday from a sunspot called Active Region 2339, peaking at 6:11 p.m. EDT. NASA's Solar Dynamics Observatory spacecraft captured a gorgeous video of the flare.