Astrophysics (index)

Solar Dynamics Observatory

(2010 satellite observing the Sun)

The Solar Dynamics Observatory (SDO) is a spacecraft launched by NASA in 2010 to study the Sun for 5 to 10 years. It is in geosynchronous orbit. Instruments

  • HMI "Helioseismic and Magnetic Imager"
  • EVE "Extreme Ultraviolet (EUV) Variability Experiment"
  • AIA "Atmospheric Imaging Assembly"


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