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The Origins of Hot Plasma in the Solar Corona

Schrijver, C. J.; De Pontieu, B.; Tarbell, T. D. +6 more

The Sun's outer atmosphere, or corona, is heated to millions of degrees, considerably hotter than its surface or photosphere. Explanations for this enigma typically invoke the deposition in the corona of nonthermal energy generated by magnetoconvection. However, the coronal heating mechanism remains unknown. We used observations from the Solar Dyn…