astronomer

noun

as·tron·o·mer ə-ˈsträ-nə-mər

: 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

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

Though not a scientific term used by astronomers, a black moon has two possible definitions. —

Thomas G. Moukawsher, Newsweek, 29 Nov. 2024 The same name is given by astronomers to the third of four new moons in the exact astronomical season. —

Jamie Carter, Forbes, 29 Nov. 2024 Because church doctrine held that Earth was the center of the universe, the Inquisition compelled the astronomer Galileo to recant his belief that our planet orbits the sun. —

Sun Sentinel Editorial Board, Sun Sentinel, 25 Nov. 2024 An international team of over 60 astronomers measured how the system was being shocked by the impact. —

Michael Irving, New Atlas, 24 Nov. 2024 See all Example Sentences for astronomer

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

See more words from the same century