Solar Tornadoes as Big as the US Heat Sun's Atmosphere

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For years, scientists have struggled to determine why the sun's atmosphere is more than 300 times hotter than its surface. But a new study has found a possible answer: giant super-tornadoes on the sun that may be injecting heat into the outer layers of our star.

http://www.livescience.com/21240-sun-tornado-solar-twisters.html