What context can I use each word in?
Learn when and how to use these words with these examples!
astronomy
Example
She is studying astronomy to learn more about the stars and planets. [astronomy: noun]
Example
Astronomy involves using telescopes to observe distant galaxies. [astronomy: gerund or present participle]
cosmology
Example
Cosmology seeks to answer questions about the Big Bang and the expansion of the universe. [cosmology: noun]
Example
He is fascinated by cosmology and enjoys reading about different theories of the universe's creation. [cosmology: gerund or present participle]
Good things to know
Which word is more common?
Astronomy is more commonly used than cosmology in everyday language. Astronomy is a well-established field of study with practical applications, while cosmology is more specialized and often discussed in academic and scientific contexts.
What’s the difference in the tone of formality between astronomy and cosmology?
Both astronomy and cosmology are considered formal terms. However, astronomy is more versatile and can be used in both formal and informal contexts, while cosmology is typically used in more technical and academic settings.