Team of physicists is unearthing clues of why does the sun's corona sizzle at one million degrees fahrenheit

The Sun’s corona, which is visible to the human eye only when it appears briefly as a fiery halo of plasma during a solar eclipse, is still a mystery to scientists who study it closely. Located 1,300 miles from the star’s surface, it is over a hundred times hotter than lower layers much closer to the fusion reactor at the Sun’s core.

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