binary star


Definition of binary star

: 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 But binary star systems are pretty common, and our nearest neighbor appears to be a three-star system. John Timmer, Ars Technica, 4 May 2022 But two of the company's luminaries remain gravitationally locked, a binary star system: the S and the E. Jonathon Ramsey, Car and Driver, 13 Apr. 2022 The alternative is a process similar to that which creates a binary star system. John Timmer, Ars Technica, 6 Apr. 2022 Usually the white dwarf accretes this extra mass from its partner in a binary star system. Kiona N. Smith, Forbes, 9 Dec. 2021 The binary star system is actually visible to us with the naked eye. Ashley Strickland, CNN, 8 Dec. 2021 Although Alpha Centauri is right next door in astronomical terms, no planets have been detected around its binary star system. NBC News, 24 Nov. 2021 Luke Skywalker’s dusty home of Tatooine was in such a binary star system. New York Times, 28 Sep. 2021 At times, neutron stars are born as a pair in binary star systems when one celestial object orbits another. Elizabeth Gamillo, Smithsonian Magazine, 2 July 2021 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'binary star.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of binary star

1826, in the meaning defined above

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Time Traveler for binary star

Time Traveler

The first known use of binary star was in 1826

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Dictionary Entries Near binary star

binary pulsar

binary star

binary system

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Statistics for binary star

Last Updated

24 May 2022

Cite this Entry

“Binary star.” Dictionary, Merriam-Webster, Accessed 27 May. 2022.

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More from Merriam-Webster on binary star

Thesaurus: All synonyms and antonyms for binary star Encyclopedia article about binary star


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