What is aurora and where does it come from?

Learn all about our Sun (a star of average size among billions of other stars), aurora, sunspots, solar plasma, magnetic field, solar storm and more .... Source link: http://sohowww.nascom.nasa.gov/classroom/nordlys_english.mov Check for auroral activity: http://www.swpc.noaa.gov/pmap Aurora forecast: http://helios.swpc.noaa.gov/ovation http://www.swpc.noaa.gov/Aurora/index.html Other links: http://www.swpc.noaa.gov http://iswa.ccmc.gsfc.nasa.gov:8080/IswaSystemWebApp Credit : "SOHO (ESA & NASA)"