Voronoi model of clustering galaxies

Voronoi model of clustering galaxies

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Caption: Computer simulation of a portion of the Universe, modelling the distribution of 10,000 galaxies in a cube with sides of about 80 Megaparsec. Astronomical observations show that on this scale galaxies do not fill the space in a random way but tend to be clustered, either in filaments, walls or in massive nodes, leaving large voids where the density is virtually zero. This sponge-like structure is here simulated using a particular geometrical pattern called the Voronoi tessellation. The galaxies are colour-coded according to their position: white dots represent galaxies in voids, blue in filaments, green in walls and red in nodes.

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Keywords: astronomy, cluster, cosmology, filament, galaxies, galaxy, galaxy cluster, galaxy cluster model, science, space, sponge, universe, void, voronoi, voronoi model, voronoi tessellation

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