Learn about our sun & its influence on our solar system!

  • Rotate-Home-mms
  • Missions
  • 5 Years of SDO
  • Current Observations
  • Aurora
  • Eclipses
  • Comet ISON
  • Spectacular!
  • The Transit of Venus

The Sun Today

Ryan Milligan safely gazing at a solar eclipse

March 20, 2015 Supermoon Solar Eclipse


NASA’s Magnetospheric Multiscale (MMS) Mission: Studying magnetic fields around the Earth


5 Years of SDO

Solar apparent size-perihelion versus aphelion 2012. The red circles show the size of one disk superimposed over the other. Shot by David Dickinson and discussed in http://bit.ly/1pQmrHG

Welcome to Perihelion 2015!

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