Basic Guidelines For English Spellings
READ THESE ARTICLES
Definition of galactic cluster in English:
galactic cluster
noun
1The cluster of stars including the sun and the Milky Way (now disused).
2Open cluster.
3A cluster of galaxies.
Origin
Late 19th century; earliest use found in The Academy: a monthly record of literature, learning, science, and art.
Are You Learning English? Here Are Our Top English Tips
