RT @Astroguyz: MT @NASA: Giant sunspot erupts today with 4th substantial flare since Oct 19 go.nasa.gov/1wvBntH @NASASunEarth http://t.co/RXnuJE1RU2
RT @Astroguyz: MT @NASA: Giant sunspot erupts today with 4th substantial flare since Oct 19 go.nasa.gov/1wvBntH @NASASunEarth http://t.co/RXnuJE1RU2