The seething turmoil in our sun's atmosphere is captured in extreme ultraviolet light by NASA's Solar Dynamics Observatory (SDO), launched in 2010 to better understand solar activity and its impact on Earth. In this colorized view (NASA color-codes SDO images to represent different wavelengths of light), bright coronal loops arc between regions of intense magnetic activity, while cooler, darker filaments hang suspended in the sun's magnetic field.
Photograph by NASA Solar Dynamics Observatory (SDO)
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