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Large-Scale Structure in the Universe: Spatial Distribution and Peculiar Velocities
Published online by Cambridge University Press: 19 July 2016
Abstract
The evidence for the existence of very large scale structures, ∼ 100h−1Mpc in size, as derived from the spatial distribution of clusters of galaxies is summarized. Detection of a ∼ 2000 kms−1 elongation in the redshift direction in the distribution of the clusters is also described. Possible causes of the effect are peculiar velocities of clusters on scales of 10–100h−1Mpc and geometrical elongation of superclusters. If the effect is entirely due to the peculiar velocities of clusters, then superclusters have masses of order 1016.5M⊙ and may contain a larger amount of dark matter than previously anticipated.
- Type
- CHAPTER IV: The Large Scale Distribution of Galaxies
- Information
- Symposium - International Astronomical Union , Volume 124: Observational Cosmology , 1987 , pp. 335 - 348
- Copyright
- Copyright © Reidel 1987