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Photo: Solar corona

SOLAR CORONA: Magnetic loops
Forces inside the sun throw lasso lines of magnetism 75,000 miles (120,700 kilometers) into the void. Electrified superheated gases make the loops visible and release prodigious amounts of energy.

Photograph by Markus J. Aschwanden, Lockheed Martin Solar and Astrophysics Laboratory. Recorded in extreme ultraviolet from NASA’s Transition Region and Coronal Explorer satellite.
“The Sun: Living With a Stormy Star,” July 2004
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