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
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Streams from still-surviving globular clusters, like those identified in the new study, are much rarer and especially useful because astronomers can compare the stream directly with its parent cluster.
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Sharmila Kuthunur, Space.com, 5 Apr. 2026
The astronomer William Herschel argued that the universe was vaster and older than anyone had realized.
—Kathryn Hughes, The New York Review of Books, 4 Apr. 2026
But there is a shortcut that German mathematician and astronomer Carl Friedrich Gauss spotted and used to create a formula.
—Manon Bischoff, Scientific American, 4 Apr. 2026
The rate at which the universe is expanding is called the Hubble constant, named after astronomer Edwin Hubble, who, with Milton Humason, showed convincingly that the velocity with which a galaxy was moving away from Earth was proportional to its distance.
—Encyclopedia Britannica, 2 Apr. 2026
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Sharmila Kuthunur, Space.com, 5 Apr. 2026
The astronomer William Herschel argued that the universe was vaster and older than anyone had realized.
—Kathryn Hughes, The New York Review of Books, 4 Apr. 2026
But there is a shortcut that German mathematician and astronomer Carl Friedrich Gauss spotted and used to create a formula.
—Manon Bischoff, Scientific American, 4 Apr. 2026
The rate at which the universe is expanding is called the Hubble constant, named after astronomer Edwin Hubble, who, with Milton Humason, showed convincingly that the velocity with which a galaxy was moving away from Earth was proportional to its distance.
—Encyclopedia Britannica, 2 Apr. 2026
See All Example Sentences for astronomer
Cite this Entry
“Astronomer.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/astronomer. Accessed 8 Apr. 2026.
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