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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.

The Dumbbell Nebula, also known as Messier 27, holds a special place in astronomy history as the first planetary nebula ever discovered.

From Science Daily • Jun. 3, 2026

Whatever the discipline—medicine, law, astronomy, theology—knowledge had to be sought.

From The Wall Street Journal • May 29, 2026

"A year in orbit pushes both hardware and humans into a different operational regime compared with the shorter Shenzhou missions of the programme's earlier phases," the professor of physics and astronomy told AFP.

From Barron's • May 23, 2026

After receiving an email Friday afternoon, Keivan Stassun, a professor of physics and astronomy at Vanderbilt University and director of the Vanderbilt Initiative in Data-intensive Astrophysics, said he reached out to fellow board members.

From Los Angeles Times • Apr. 26, 2026

Melanchthon’s introduction praised astronomy as the study of God’s handiwork, but it also went on to provide an elaborate defence of astrology.

From "The Invention of Science" by David Wootton



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