Manage updates with the Download AppStrands of plasma
8 of 14 from NASA Solar Dynamics Observatory turns 1 (photos)
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Strands of plasma erupt and create so-called "prominences," formed of cooler clouds of gases suspended by often unstable magnetic forces. Their eruptions are fairly common, but this one was larger and clearer to see than most.
February 14, 2011 4:29 PM PST
Photo by: NASA/SDO
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