as·​tro·​phys·​ics | \ ˌa-strə-ˈfi-ziks How to pronounce astrophysics (audio) \

Definition of astrophysics

: a branch of astronomy dealing especially with the behavior, physical properties, and dynamic processes of celestial objects and phenomena

Other Words from astrophysics

astrophysical \ ˌa-​strə-​ˈfi-​zi-​kəl How to pronounce astrophysics (audio) \ adjective
astrophysically \ ˌa-​strə-​ˈfi-​zi-​k(ə-​)lē How to pronounce astrophysics (audio) \ adverb
astrophysicist \ ˌa-​strə-​ˈfi-​zə-​sist How to pronounce astrophysics (audio) , -​ˈfiz-​sist \ noun

Examples of astrophysics in a Sentence

Recent Examples on the Web The team will be led by David Spergel, the former chair of the astrophysics department at Princeton University and the current president of the Simons Foundation in New York City. Paul Best, Fox News, 9 June 2022 For Ghez, the new picture of Sagittarius A* is an important contribution to astrophysics. Marina Koren, The Atlantic, 12 May 2022 Real life space heroes like space shuttle astronaut Mae Jemison and astrophysics genius Stephen Hawking? Dawn Ennis, Forbes, 19 Mar. 2022 Overall, these new telescopes will unveil the astrophysics occurring in nearby and early-universe galaxy mergers. Aaron S. Evans, Scientific American, 1 Dec. 2021 Isomers are also important in astronomy and astrophysics. Artemis Spyrou, The Conversation, 24 May 2022 Machine learning has catapulted astrophysics research forward, too. Rivka Galchen, The New Yorker, 23 Mar. 2022 Nadia Drake is a science journalist who specializes in covering astronomy, astrophysics and planetary science. Nadia Drake, Scientific American, 14 Mar. 2022 Jupiter Ding, while a freshman at Princeton, wrote to the department of astrophysics, hoping to get involved in research. Rivka Galchen, The New Yorker, 23 Mar. 2022 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'astrophysics.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of astrophysics

1870, in the meaning defined above

History and Etymology for astrophysics

International Scientific Vocabulary

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Time Traveler for astrophysics

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The first known use of astrophysics was in 1870

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Last Updated

23 Jun 2022

Cite this Entry

“Astrophysics.” Dictionary, Merriam-Webster, Accessed 29 Jun. 2022.

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