I might be the first one to specify what a Black Hole is by its dimension.
It's a round sphere as a planet or a star and is 99% to 100% perfectly a circle.
How exact it is, is easier to tell with efficient comsmologic equipment. Most think it's just 100% flat. I don't know anyone to describe...
Hierarchical Structure of the Cosmos: Black Holes as Portals to Subquantum Dimensions
Abstract:
This piece delves into a theory proposing that our universe experiences cycles of growth, galaxy development, and eventual contraction via black holes. This process births subquantum universes. These...