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A measurement of the cosmological mass density from clustering in the 2dF Galaxy Redshift Survey

Peacock, John A.; Cole, Shaun; Norberg, Peder; Price, Ian; Bland-Hawthorn, Joss; Jackson, Carole; Peterson, B. A.; Colless, Matthew


The large-scale structure in the distribution of galaxies is thought to arise from the gravitational instability of small fluctuations in the initial density field of the Universe. A key test of this hypothesis is that forming superclusters of galaxies should generate a systematic infall of other galaxies. This would be evident in the pattern of recessional velocities, causing an anisotropy in the inferred spatial clustering of galaxies. Here we report a precise measurement of this clustering,...[Show more]

CollectionsANU Research Publications
Date published: 2001
Type: Journal article
Source: Nature


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