Fig. 1.

Distribution of galaxies (a point field 𝒟) in the 2MRS data set. Positions of galaxies are given in supergalactic coordinates, where observer is located at the origin of coordinates (marked as blue point on the figure). The thickness of the slice shown in the figure is 15 Mpc. Some galaxy clusters are visually identified and marked with black ellipses to highlight the elongation of galaxy groups and clusters along the line of sight.
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