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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.

"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

The number of students earning undergraduate astronomy degrees in the U.S. is at an all-time high, quadruple what it was two decades ago.

From The Wall Street Journal • Mar. 31, 2026

Recent advances in supercomputing have allowed scientists to tackle a long-standing question in astronomy.

From Science Daily • Mar. 24, 2026

If you don't have access to binoculars or a telescope you might be able to attend a local astronomy society event to get a better look.

From BBC • Feb. 27, 2026

Most mathematicians—Galileo, Pascal, Descartes, Newton—were familiar with the word’s use in technical astronomy, and tended to avoid it in other contexts.

From "The Invention of Science" by David Wootton