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International Centre for Radio Astronomy Research

WiggleZ confirms the Big Picture of the Universe

21 Aug 2012, 01:13 UTC
WiggleZ confirms the Big Picture of the Universe

We know that stars group together to form galaxies, galaxies clump to make clusters and clusters gather to create structures known as superclusters. At what scale though, if at all, does this Russian doll-like structure stop? Scientists have been debating this very question for decades because clustering on large scales would be in conflict with our 'standard model' of cosmology. The current model is based on Einstein's equations assuming everything is smooth on the largest scales. If matter were instead clumpy on very large scales, then the entire model would need to be rethought.

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