The larger-scale structure of the Universe

Article Abstract:

The past two and a half decades from the year 2006 have seen enormous advances in the study of cosmic structure, both in the knowledge of how it is manifest in the large-scale matter distribution and in the understanding of its origin. Astrophysical studies of large-scale structure continue to grow and to diversify, focusing on new issues such as the nature and evolution of nonlinear structure.

Astrophysics, Structure, Universe

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Simulations of the formation, evolution and clustering of galaxies and quasars

Article Abstract:

The cold dark matter model has become the leading theoretical picture for the formation of structure in the universe. The baryon-induced features in the initial conditions of the universe are reflected in distorted form in the low redshift galaxy distribution, an effect that can be used to constrain the nature of dark energy with future generations of observational surveys of galaxies.

United States, Observations, Discovery and exploration, Dark matter (Astronomy), Dark matter

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A measurement of the cosmological mass density from clustering in the 2dF galaxy redshift survey

Article Abstract:

Research is presented concerning the precise measurement of superclusters of galaxies through the use of the galaxy redshift survey in order to determine the density of the Universe. The low-density results are discussed.

Expanding universe, Galaxy clusters

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