New Scientist Friday, July 18, 2008
….Nor should they dismiss observations. I encountered such a situation when I was writing a story about the work of physicists Luciano Pietronero and Francesco Sylos Labini at the University of Rome. They argue that 3D maps of the galaxy distribution produced by the Sloan Digital Sky Survey (SDSS) show that the universe is not homogeneous, but fractal. This, too, challenges the Copernican Principle, and as such, most of the cosmologists I spoke to dismissed it outright….