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Definitions

astronomy

[uh-stron-uh-mee] / əˈstrɒn ə mi /


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

To better understand how planets form and evolve, researchers from astronomy, planetary science, and Earth science are increasingly working together.

From Science Daily • Apr. 21, 2026

“This space shuttle is everything rolled into one that my husband loved: astronomy, innovation, exploration, science, math and especially children,” Oschin said.

From Los Angeles Times • Apr. 13, 2026

"It'll be exciting, you know, in a slightly scary way, when they go behind the moon," Derek Buzasi, a professor of astronomy and astrophysics at the University of Chicago, told AFP.

From Barron's • Apr. 5, 2026

While religion provides answers, astronomy offers another way to search for them, grounding me like a kind of cosmic anchor.

From The Wall Street Journal • Mar. 31, 2026

Historians of astronomy trade insults on the question of whether there are equants in Copernicus or not; the answer is that there are no equants, but there are mechanisms designed to replicate equants.

From "The Invention of Science" by David Wootton



Vocabulary lists containing astronomy