Tall Bloke's Talk Shop has an interesting post at http://tallbloke.wordpress.com/2014/03/21/p-a-semi-topology-of-the-curve… … which is a matter of patterns, I suppose, as we have spherical planets and spherical stars – and elliptical galaxies. The post, by PA Semi concerns Curvature Cosmology and Einstein's hyper-spherical universe. Einstein was persuaded by his contemporaries that his curved universe was incorrect – and he dropped the idea. Looks like others have picked up the baton.
One intriguing equation being asked – is red shift and the Cosmic Microwave Background Radiation due to space curvature?
The full paper in pdf format can be read at http://tallbloke.files.wordpress.com/2014/03/cosmos-topology-semi.pdf
One of the comments caught my eye – as he suggested deep space is like a hall of mirrors. No matter which way you look your sea reflections – but what is it that creates the mirrors? He says an atomic electron shell that is reflecting light. all of the universe is an ocean of EMF that could actually be reflecting light information back to us, giving the impression of great depth.