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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The Cat’s Paw Nebula enables astronomers to study the turbulent cloud-to-star process in great detail.
—
Julia Jacobo, ABC News, 11 July 2025
However, astronomers led by Luca Izzo of INAF, the National Institute for Astrophysics in Italy, have used observations by ESA's Gaia astrometric satellite to show that this was not the case.
—Keith Cooper, Space.com, 8 July 2025
That's because all of the stars in such a cluster formed more or less at the same time, allowing astronomers to compare different types of stars, in terms of size and composition, which are all of a similar age.
—ArsTechnica, 8 July 2025
The sun blows off its outer layers and the core is exposed to space, transforming into what astronomers call a white dwarf.
—Phil Plait, Scientific American, 3 July 2025
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Julia Jacobo, ABC News, 11 July 2025
However, astronomers led by Luca Izzo of INAF, the National Institute for Astrophysics in Italy, have used observations by ESA's Gaia astrometric satellite to show that this was not the case.
—Keith Cooper, Space.com, 8 July 2025
That's because all of the stars in such a cluster formed more or less at the same time, allowing astronomers to compare different types of stars, in terms of size and composition, which are all of a similar age.
—ArsTechnica, 8 July 2025
The sun blows off its outer layers and the core is exposed to space, transforming into what astronomers call a white dwarf.
—Phil Plait, Scientific American, 3 July 2025
See All Example Sentences for astronomer
Cite this Entry
“Astronomer.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/astronomer. Accessed 19 Jul. 2025.
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