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Vast Cosmic Voids Merge Like Soap Bubbles


Cosmic voids merging

This 2012 simulation of voids merging as cosmic structure evolves is now borne out by data from the Sloan Digital Sky Survey.

Credit: J. Hidding, R. van de Weygaert, Univ. Groningen / http://arxiv.org/abs/1205.1669 (2012)

Vast regions of near-empty space in the Universe are growing and shrinking, much as bubbles merge and separate in soapsuds, astronomers have discovered.

From Nature
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