
Mind & BrainNovember 1, 1977
The Clustering of Galaxies
Galaxies tend to form small groups, which in turn form larger clusters, and so on. Such a hierarchical organization has long been suspected, but only recently has it been clearly perceived

The Clustering of Galaxies
Galaxies tend to form small groups, which in turn form larger clusters, and so on. Such a hierarchical organization has long been suspected, but only recently has it been clearly perceived