galactic associations
nounUK /ɡəˈlæk.tɪk əˌsəʊ.siˈeɪ.ʃənz/
US /ɡəˈlæk.tɪk əˌsoʊ.siˈeɪ.ʃənz/
Groups of galaxies that are close together in space and held together by gravity.
Astronomers studied several galactic associations to learn how galaxies form.
OTHER MEANINGS
2. Loose groupings of galaxies that are not tightly bound to each other.
The loose galactic associations drifted slowly apart over billions of years.
3. A term sometimes used for clusters of stars within a galaxy.
The telescope revealed bright galactic associations near the galaxy's edge.
4. Connections or partnerships between organizations that study galaxies.
The conference brought together galactic associations from many countries.