181-Solar-CoronaSolar Corona - as viewed during a total eclipse 383-Sun-anatomy-CutawayCutaway of the sun, showing core, radiative and convective zones, and corona - painting © by Don Dixon for Scientific American 460-solar-flare-diagram01diagram shows how electrons spiral along the sun's magnetic field lines ; digital, 2006 461-solar-flareSolar magnetic fields snap and rejoin thousands of miles above the Sun's surface, releasing a burst of x-rays. Digital Artwork © 2007 Don Dixon / cosmographica.com 462-solar-flare-diagram02Infographic showing how solar flares are created by the breaking and reconnecting of solar magnetic field lines; for Scientific American, © Don Dixon Solar System DiagramsMercury