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Sesh
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There was some excitement a few months ago about the discovery of the Huge-LQG quasar structure, claimed to be the "largest structure in the Universe", which was said to violate the cosmological principle and the assumption of homogeneity of the Universe. Some previous threads on this topic on this forum are here and here.
Turns out this claim is wrong. A recently published paper (journal version here, free access version here) shows that the quasars actually support homogeneity as expected. A blog post explaining the issues at a less technical level is
Quasars, homogeneity and Einstein
A one-line summary would be "structures do not invalidate homogeneity; and the Huge-LQG is not really a structure anyway".
Turns out this claim is wrong. A recently published paper (journal version here, free access version here) shows that the quasars actually support homogeneity as expected. A blog post explaining the issues at a less technical level is
Quasars, homogeneity and Einstein
A one-line summary would be "structures do not invalidate homogeneity; and the Huge-LQG is not really a structure anyway".