On the Large-Scale Structure of the Universe as given by the Voronoi Diagrams

Details On the Large-Scale Structure of the Universe as given by the Voronoi Diagrams On the Large-Scale Structure of the Universe as given by the Voronoi Diagrams

2006-02-20

arxiv.org/abs/astro-ph/0602431v1

Astronomy and Astrophysics

Astrophysics

14 pages, 9 figures. Chinese Journal of Astronomy and Astrophysics to be published

Scientific paper

10.1088/1009-9271/6/4/01

The size distributions of 2D and 3D Voronoi cells and of cells of $V_p(2,3)$,--2D cut of 3D Voronoi diagram--are explored, with the single-parameter (re-scaled) gamma distribution playing a central role in the analytical fitting. Observational evidence for a cellular universe is briefly reviewed. A simulated $V_p(2,3)$ map with galaxies lying on the cell boundaries is constructed to compare, as regards general appearance, with the observed CFA map of galaxies and voids, the parameters of the simulation being so chosen as to reproduce the largest observed void size.

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