Astronomy and Astrophysics – Astrophysics
Scientific paper
Sep 1974
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1974a%26a....35...17s&link_type=abstract
Astronomy and Astrophysics, vol. 35, no. 1, Sept. 1974, p. 17-29.
Astronomy and Astrophysics
Astrophysics
1
Astronomical Models, Cosmology, Galactic Evolution, Turbulence Effects, Density Distribution, Galactic Clusters, Galactic Mass, Mass Spectra, Red Shift, Velocity Distribution, Vortices
Scientific paper
The presence of large chaotic velocities in the early universe would generate turbulence, which would in turn produce density and pressure fluctuations. Density fluctuations on the scale of clusters of galaxies could be gravitationally bound, but galactic mass fluctuations would always be unbound. Galaxies would form when unbound galactic mass eddies, expanding faster than their bound cluster background, collided with each other as the cluster started to recollapse. These collisions would produce shocks and thus high density protogalaxies at the eddy interfaces. The galaxies would form rapidly. As the cluster recollapses, the system of galaxies would undergo a violent collective relaxation.
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