Hollands, Ishibashi, and Wald offer their proof that rotating black holes, even the higher-dimensional ones, must be axisymmetric. In other words, they always admit a "rotational" Killing vector field. You should realize that the horizon is not necessarily spherical anymore if the number of spacetime dimensions exceeds four. A previous blog text about higher-dimensional black holes' uniqueness and unusual topologies was

here.

suppose a black hole is interspacial and the central volume of a sun is tied to it, due to the time dilation matter entering the black hole is compacted so that it can be fed through a sort of "star gate" to feed the sun fuel increments, akin to sunspot cycles.. possible?

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