Rich Clusters of Galaxies
The research which ONR has supported has been an investigation of rich clusters of galaxies. Topics of discussion include the following: A new and more reliable criterion for relative extragalactic distances, new knowledge of the size and structure of clusters of galaxies, and information on the distribution and sub-distribution of clusters
Print Book, English, 03 JUN 1965
Defense Technical Information Center, Ft. Belvoir, 03 JUN 1965