The large-scale smoothness of the Universe

Kelvin K. S. Wu (), Ofer Lahav and Martin J. Rees
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Kelvin K. S. Wu: Institute of Astronomy, University of Cambridge
Ofer Lahav: Institute of Astronomy, University of Cambridge
Martin J. Rees: Institute of Astronomy, University of Cambridge

Nature, 1999, vol. 397, issue 6716, 225-230

Abstract: Abstract The Universe is inhomogeneous — and essentially fractal — on the scale of galaxies and clusters of galaxies, but most cosmologists believe that on larger scales it becomes isotropic and homogeneous: this is the ‘cosmological principle’. This principle was first adopted when observational cosmology was in its infancy, and was then little more than a conjecture. The data now available offer a quantitative picture of the gradual transition from small-scale fractal behaviour to large-scale homogeneity.

Date: 1999
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DOI: 10.1038/16637

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