There is the theoretical Schwarzschild Kugelblitz [1] [1] https://en.wikipedia.org/wiki/Kugelblitz_(astrophysics) https://en.wikipedia.org/wiki/Kugelblitz_(ast

There is the theoretical Schwarzschild Kugelblitz [1] [1] https://en.wikipedia.org/wiki/Kugelblitz_(astrophysics) https://en.wikipedia.org/wiki/Kugelblitz_(astrophysics)