astronomer

noun

as·​tron·​o·​mer ə-ˈsträ-nə-mər How to pronounce astronomer (audio)
: a person who is skilled in astronomy or who makes observations of celestial phenomena

Examples of astronomer in a Sentence

Recent Examples on the Web Since the budget cuts were announced in March, astronomers have rallied together to #SaveChandra, compiling their case for the observatory into a website. Briley Lewis, Popular Science, 25 Apr. 2024 The first recorded sighting of a Lyrid meteor show, dates back to 687 BC by the Chinese, astronomers say. USA TODAY, 21 Apr. 2024 Light pollution has long been an irritation to astronomers and for anyone trying to sleep. Phil Diehl, San Diego Union-Tribune, 14 Apr. 2024 Peering back to the time period close to the Big Bang is not simply a matter of having a larger mirror – astronomers have already done it using other satellites that observe microwave emission from very soon after the Big Bang. Discover Magazine, 11 Apr. 2024 It was studied by an all-woman team of astronomers, according to the parks service, and Thomas Edison himself traveled to see the event, bringing scientific equipment to study the sun's corona during the eclipse. Kerry Breen, CBS News, 7 Apr. 2024 The team hopes that their findings will improve astronomer’s understanding of the detailed processes that shape the universe. Laura Baisas, Popular Science, 11 Apr. 2024 Similarly, in 1560, German astronomer Christoph Clavius described how birds fell to the ground during another eclipse, overwhelmed by the sudden darkness. Trilce Estrada Olvera, The Arizona Republic, 10 Apr. 2024 Fifty years later, British astronomers Frank Dyson and Arthur Eddington performed measurements of the apparent shift of stars during a 1919 solar eclipse as an early test of Einstein’s general theory of relativity. IEEE Spectrum, 10 Apr. 2024

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'astronomer.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

Middle English, "one versed in astronomy or astrology," from astronomie astronomy + -er -er entry 2

Note: Alternatively, Oxford English Dictionary, third edition, and Middle English Dictionary see the English word as derived from Medieval and Late Latin astronomus "astronomer" (borrowed from Greek astronómos) plus the agent suffix -er.

First Known Use

14th century, in the meaning defined above

Time Traveler
The first known use of astronomer was in the 14th century

Dictionary Entries Near astronomer

Cite this Entry

“Astronomer.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/astronomer. Accessed 29 Apr. 2024.

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