An active, sun-spotted region of the sun that unleashed powerful solar flares earlier this week fired two more significant solar flares this morning.
As a result, radiation flowing from the sun's surface may bring brilliant auroras and strong geomagnetic storms to Earth through Saturday (Sept. 9), according to the National Oceanic and Atmospheric Administration's Space Weather Prediction Center (SWPC).
Read more here: https://www.space.com/38083-giant-sunspot-unleashes-2-more-solar-flares.html