Saturday, April 21, 2012

SDO Year 2 HD

April 21, 2012 marks the two-year anniversary of the 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 as seen by the Atmospheric Imaging Assembly (AIA) and Helioseismic and Magnetic Imager (HMI) instruments. Segments in red and gold were taken by AIA in 304 and 171 wavelengths, respectively. The growing sunspot segment was recorded by the HMI instrument which views the solar photosphere and transition region.

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