Last updated on April 18, 2014 at 16:52 EDT
IRIS First Glimpses of the Sun
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IRIS' First Glimpses of the Sun

December 20, 2013
The fine detail in images of prominences in the sun's atmosphere from NASA's Interface Region Imaging Spectrometer – such as the red swirls shown here – are challenging the way scientists understand such events. Credit: NASA/LMSAL/IRIS