"Some cosmological models assume a geometry that features a cosmological-scale axis ... preferred direction is the result of the universe being on the interior of a black hole of a larger universe.

2). These models can be fit to X-ray data to learn about the changing geometry of the X-ray continuum source. Fig. 1: A computer visualisation of the intensity of X-ray emission from an accretion disk ...

An international team of researchers used multi-wavelength observations of active galactic nuclei to study how black holes ...