Sun unleashes massive X8.7 solar flare, biggest of current cycle, from super-active monster sunspot (video)
![Sun unleashes massive X8.7 solar flare, biggest of current cycle, from super-active monster sunspot (video)](https://cdn.mos.cms.futurecdn.net/TQMbQuBLtsxPufqXy3iWmh.jpg)
A monster sunspot on the sun's surface just won't quit, erupting yet again this week with a whopping X8.7-class solar flare on Tuesday (May 14).