SDO: Year 2 Highlights April 21, 2012 marks the two-year anniversary of NASA's Solar Dynamics Observatory (SDO) First Light press conference, where NASA revealed the first images taken by the spacecraft. This video highlights just some of the amazing events witnessed in SDO's second year. Additional information and formats and sizes can be found at http://svs.gsfc.nasa.gov/vis/a010000/a010900/a010966/index.html Credit: Goddard Scientific Visualization Studio