Solar Dynamics Observatory (SDO)

The Solar Dynamics Observatory is a NASA satellite that is studying the Sun. It takes regular images of the Sun's atmosphere at various wavelengths, together giving us a picture of what is happening at all the different atmospheric levels. SDO also gathers data on the Sun's ever-changing magnetic fields.

SDO has three sets of scientific instruments:

SDO was launched on 11 February 2010 from Cape Canaveral by United Launch Alliance. It is operated by NASA and is expected to remain in service until around 2030. uses a lot of imagery from SDO. In particular, the Atmospheric Imaging Assembly gives us the beautiful images of the Sun's atmosphere. See the feeds below for some examples.

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