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

  • Missions
  • 5 Years of SDO
  • Current Observations
  • Aurora
  • Eclipses
  • Comet ISON
  • Spectacular!
  • The Transit of Venus
  • UFO?

The Sun Today


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!

Compilation Solargraphs winter solstice 2013 participants Philippus Lansbergen Observatory, Middelburg, the Netherlands credit: Jan Koeman (http://bit.ly/1sX98as)

The December 2014 Solstice

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