Discrete states of redshift and galaxy dynamics. II - Systems of galaxies

W. G. Tifft
1977 Astrophysical Journal  
In the first paper in this series, a basic model was developed, for individual galaxies, consisting of two expanding opposed streams of material differing systematically in redshift. I.n this paper, galaxies in pairs and groups are shown to show no evidence of gravitational interaction.
doi:10.1086/154901 fatcat:bz5qhm324ngzfmzawhpm63ecqa