see:Plasma Production Out of the Vacuum by Axion String Collision Around Each Black Hole at the Penrose Trapped Space Surface
https://vixra.org/pdf/2012.0205v1.pdf
and: The New Penrose-Vuyk Black Hole, Based on a Compact String Nucleus.
see also:What is Wrong with Current Physics to Explain Ball Lightning.
Even Ball Lightnings sunspots and Comets, seem to have the seem qualities :
fermion repelling and producing string knots.