2013/05/13 by G. Chincarini, Chincarini, Guido
Physics and Astronomy · #Cosmology and Nongalactic Astrophysics (astro-ph.CO) #FOS: Physical sciences #History and Developments in Astronomy
paper · pdf · doi:10.48550/arxiv.1305.2893
openalex publication_date 2013/05/13 · openalex created_date 2022/09/01 · openalex updated_date 2026/07/28
I describe the beginning, ~ 1970, of the spectroscopic redshift surveys and the discovery of the superclusters filamentary structures and voids. This changed the view of the distribution of luminous light from the way we knew it at the end of the sixties, a uniform distribution of galaxies with clusters superimposed, and the way we understood it during the seventies, clusters imbedded in filamentary structures. We planned in brief to understand the distribution of galaxies and the effect of their environment since to learn about the formation and evolution of the Universe, we need to know first how it is now. The very large surveys, first among these the CfA, started in the eighties thanks also to dedicated telescopes; during that period, the distribution of mass on large scales was also measured. A next step, in addition to the many and deep galaxies survey that are going on, could be a deep cluster survey to detect distant clusters, improve the accuracy of the clusters physical parameters as a function of redshift and have a more robust probe for Cosmology.