Cosmic structure · over 1,000 galaxies
The Coma Cluster
A rich, dense cluster of over a thousand galaxies. In 1933 Fritz Zwicky found its galaxies moving far too fast to be held together by their visible mass — the first evidence for dark matter.
Highlights
- ›Where Zwicky first inferred dark matter, 1933
Examples & connections
Knowledge connections
- Associated withGalaxy Cluster
- Associated withDark Matter
Sources
The primary and reference sources this topic draws on.
- NASANational Aeronautics and Space Administration
Mission data, planetary science, space telescopes, and public-domain imagery.
Most NASA-produced imagery is in the public domain; individual items are checked for usage terms before publication.