481 reactions · 355 shares | X-flare! Extra-large solar flare - blasted out today (17:37 UTC) from sunspot AR2975 - is already causing radio blackouts. Powerful X-class flares can cause devastating geomagnetic storms - it's too early to know the extent of this flare's upcoming effects on Earth. | EarthSky | Facebook

9K views · 319 reactions | The GOES East satellite caught a significant solar flare yesterday on its Solar Ultraviolet Imager (SUVI). NOAA's NWS Space Weather Prediction Center predicts a strong geomagnetic storm reaching Earth on Oct. 30 and the potential for aurora as far south as Pennsylvania, Iowa, and Oregon. More information: go.usa.gov/xeaMe | NOAA Satellite and Information Service | Facebook