hypergalaxy
English
Alternative forms
- hyper galaxy
- hyper-galaxy
Etymology
hyper- + galaxy
Noun
hypergalaxy (plural hypergalaxies)
- (astronomy, rare) A system that consists a very large galaxy accompanied by multiple, smaller satellite galaxies, often elliptical, such as the Milky Way and Andromeda galaxy.
- 1978, Einasto, J., The Large Scale Structure of the Universe; Proceedings of the Symposium, Tallin, Estonian SSR, September 12-16, 1977, page 51
- The term hypergalaxies is applied to galaxies plus their massive coronas and all objects moving in the coronas.
- 1978, Einasto, J., The Large Scale Structure of the Universe; Proceedings of the Symposium, Tallin, Estonian SSR, September 12-16, 1977, page 51