Regions of the Universe containing very few or no galaxies – known as voids – can help measure cosmic expansion with much greater precision than before, according to new research.

The change in the average shape of voids caused by Doppler distortions and the effects of dark energy
and curvature [Credit: Dr. Seshadri Nadathur/University of Portsmouth]The study looked at the shapes of voids found in data from the Sloan Digital Sky…

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Source: archeo