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5 of 8 from Stunning new images of the sun (photos)
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The SDO sends 1.5 terabytes of data back to Earth each day. Three main observation tools include the Helioseismic and Magnetic Imager, which maps solar magnetic fields; a group of four telescopes known as the Atmospheric Imaging Assembly, which photograph the sun's surface and atmosphere; and the Extreme Ultraviolet Variability Experiment, which measures fluctuations in the sun's radiant emissions.
April 23, 2010 1:38 PM PDT
Photo by: NASA/SDO/AIA
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