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
Scientists have discovered a new galaxy that is 10 billion light-years away. [galaxy: noun]
universe
Example
The universe is estimated to be around 13.8 billion years old. [universe: noun]
Example
Astronomers study the universe to understand its origins and evolution. [universe: noun]
Good things to know
Which word is more common?
Universe is more commonly used than galaxy in everyday language. Universe is a broader term that encompasses everything that exists, while galaxy is a more specific term that refers to a system of stars and celestial objects.
What’s the difference in the tone of formality between galaxy and universe?
Both galaxy and universe are formal terms used in scientific contexts. However, universe is more versatile and can be employed in various formality levels, allowing it to be used in both formal and informal contexts.