MAJOR X-CLASS SOLAR FLARE (UPDATED)0
- From Around the Web, Space
- September 7, 2017
On Sept. 6th at 1202 UT, sunspot AR2673 unleashed a major X9.3-class solar flare–the strongest solar flare in more than a decade. X-rays and UV radiation from the blast ionized the top of Earth’s atmosphere, causing a strong shortwave radio blackout over Europe, Africa and the Atlantic Ocean: Link to blackout map. Above: The extreme
