STEREO - Solar Terrestrial Relations Observatory
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Important notice about STEREO Behind

Bright Loops


The Sun?s edge blossomed with all sorts of loops and arcs reaching out from a pair of active regions (April 8, 2013). The image was taken by STEREO?s (Ahead) spacecraft in extreme UV light. The loops are plasma at temperatures up to a million degrees C., contained by magnetic fields.

Last Revised: March 19, 2018 15:00:39 UTC
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