Catalogue of Galaxies and of Clusters of Galaxies
Encyclopedia
The Catalogue of Galaxies and of Clusters of Galaxies (pr CGCG) was compiled by Fritz Zwicky
in 1961–68, and contains 9134 galaxy clusters.
Fritz Zwicky
Fritz Zwicky was a Swiss astronomer. He worked most of his life at the California Institute of Technology in the United States of America, where he made many important contributions in theoretical and observational astronomy.- Biography :Fritz Zwicky was born in Varna, Bulgaria to a Swiss father....
in 1961–68, and contains 9134 galaxy clusters.