Fig. 2.

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Turnaround density contrast ΔρT versus redshift at which turnaround occurs, zT (left panel) and evolution of the density contrast Δρ(t) in the spheres, where the turnaround happens at redshifts z = 0.0–1.4 (right panel). Corresponding redshifts are shown in the figure. Points on each curve show the turnaround density contrast ΔρT at a corresponding redshift.
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