What context can I use each word in?
Learn when and how to use these words with these examples!
galaxy
Example
The Milky Way is a galaxy that contains our solar system. [galaxy: noun]
Example
Astronomers study the formation and evolution of galaxies. [galaxies: plural noun]
cluster
Example
The Pleiades is a star cluster that is visible to the naked eye. [cluster: noun]
Example
The company has a cluster of offices in the downtown area. [cluster: noun]
Good things to know
Which word is more common?
Galaxy is a more common term than cluster in everyday language, as it is a more widely known concept. However, cluster is still used in various contexts, such as in business or computer science.
What’s the difference in the tone of formality between galaxy and cluster?
Galaxy is a more formal term than cluster, as it is a scientific term used in the field of astronomy and space science. However, both words can be used in both formal and informal contexts depending on the situation.
