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binary star
noun
: a system of two stars that revolve around each other under their mutual gravitation
Examples of binary star in a Sentence
Recent Examples on the Web
An eye-opening new Hubble image shows the binary star system R Aquarii having a cosmic freakout.
—Amanda Kooser, Forbes, 17 Oct. 2024
There are many theories of gravity out there, and many interpretations of wide binary star data.
—Big Think, 24 June 2024
And the members of binary star systems tend to form near each other from a single cloud of material.
—John Timmer, Ars Technica, 16 Apr. 2024
The traditional picture of how hypervelocity stars are made begins with a binary star system.
—Alison Klesman, Discover Magazine, 14 Mar. 2019
See all Example Sentences for binary star
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'binary star.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Word History
First Known Use
1826, in the meaning defined above
Dictionary Entries Near binary star
Cite this Entry
“Binary star.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/binary%20star. Accessed 31 Oct. 2024.
Kids Definition
binary star
noun
: a system of two stars that revolve around each other under the gravitation of both
More from Merriam-Webster on binary star
Thesaurus: All synonyms and antonyms for binary star
Britannica.com: Encyclopedia article about binary star
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