Why is the Solar Corona Hotter than the surface?
Q-FFF model says: by the magnetic interference production of hot micro dark matter black hole Ball Lightnings sometimes becoming self propelled cosmic Tadpoles, cruising the solar surface. (see image)
see also:
The Role of High-frequency Transverse Oscillations in Coronal Heating.
see:
Interference Black Holes, Photonic molecules, Ball Lightning, Micro Comets, Sprite-Fireballs and Sunspots according to Quantum FFF theory.