Accretion mechanism of the generation of large-scale structures in the universe

Details Accretion mechanism of the generation of large-scale structures in the universe Accretion mechanism of the generation of large-scale structures in the universe

Apr 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989azh....66..225l&link_type=abstract

Astronomicheskii Zhurnal (ISSN 0004-6299), vol. 66, Mar.-Apr. 1989, p. 225-231. In Russian.

Astronomy and Astrophysics

Astronomy

Accretion Disks, Galactic Clusters, Galactic Evolution, Long Wave Radiation, Gravitational Effects, Perturbation Theory, Universe

Scientific paper

A formation scenario for the stringlike large-scale structure of the universe is considered. The main physical mechanism here is matter accretion in the wake of a rapidly moving massive body (previously formed galaxy clusters or almost symmetric loops). Estimates are presented which suggest that, owing to a developing gravitational instability, the wake of the loop breaks into blobs with masses approaching those of galaxies. Long-wave perturbations lead to the formation of protoclusters from these blobs of matter.

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