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

Time Traveler
The first known use of binary star was in 1826

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

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