1) Large cosmological aggregate
Found on
https://www.crosswordclues.com/clue/galaxy-cluster
A galaxy cluster or cluster of galaxies is a structure that consists of anywhere from hundreds to thousands of galaxies bound together by gravity. They are the largest known gravitationally bound structures in the universe and were the largest known structures in the universe until the 1980s when superclusters were discovered. One of the key featu...
Found on
http://en.wikipedia.org/wiki/Galaxy_cluster
Gravitationally bound assemblage of dozens to thousands of galaxies.
Found on
http://planetfacts.org/space-terms/
(from the article `Cosmos`) Clusters of galaxies fall into two morphological categories: regular and irregular. The regular clusters show marked spherical symmetry and have a ... Galaxies tend to cluster together, sometimes in small groups and sometimes in enormous complexes. Most galaxies have companions, either a few nearby ... ......
Found on
http://www.britannica.com/eb/a-z/g/3
No exact match found.
