The sun’s atmosphere is way hotter than its surface. Scientists may finally know why
via space.com
Short excerpt below. Read at the original source.
The mystery of how the sun’s corona, which is its outer atmosphere, reaches millions of degrees could have a surprising explanation: cosmic dust riding the magnetic waves carrying plasma on the solar wind. “For decades, researchers have focused mainly on how electrons, ions, magnetic fields and plasma waves transport and dissipate energy in the solar […]