There are large-scale anistropies in the universe, and the origin of symmetry-breaking at cosmological scales is an unsolved problem. Either a force or type of

There are large-scale anistropies in the universe, and the origin of symmetry-breaking at cosmological scales is an unsolved problem. Either a force or type of matter is unaccounted for / incorrectly modeled, or the big bang was not symmetrical. https://en.wikipedia.org/wiki/Axis_of_evil_(cosmology) https://en.wikipedia.org/wiki/Axis_of_evil_(cosmology)