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
Astronomers detected a non-thermal emission from a classical nova with a dwarf companion and reported no young binary stars near the Milky Way’s central black hole.
—
Lawrence Jackson, Harper's Magazine, 10 July 2023
By understanding these binary stars and their evolution in more detail, her team is striving to figure out how to more systematically search for, and thus understand, these merger events.
—Sophia Chen, Ars Technica, 13 Feb. 2023
The outburst came from a strange array of cooler molecules, not the helium and hydrogen spewed by binary stars.
—Matt Hrodey, Discover Magazine, 11 May 2023
As well as uncovering many more asteroids than were previously thought to exist, DR3 contains the largest ever binary star catalog for the Milky Way as well as millions of galaxies and quasars beyond our Milky Way.
—Jamie Carter, Forbes, 25 June 2022
That’s what researchers believe happened to the binary star VFTS 243 in the nearby Large Magellanic Cloud.
—Caroline Delbert, Popular Mechanics, 19 July 2022
Details of the millimeter wavelength observations of the extremely young 10,000-year-old binary star system NGC 1333-IRAS2A, as reported this week in the journal Nature indicate that planetary systems around binary stars may be very different from those around single stars.
—Bruce Dorminey, Forbes, 27 May 2022
In 2022, Gaia released the first results from its star survey of more than 813,000 binary star systems, providing accurate measurements which led to the discovery of these two black holes.
—Camille Fine, USA TODAY, 5 Apr. 2023
Richardson and Pavao also worked with physicist Jan J. Eldridge at the University of Auckland in New Zealand, an expert on binary star systems and their evolution.
—Ashley Strickland, CNN, 1 Feb. 2023
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Lawrence Jackson, Harper's Magazine, 10 July 2023
By understanding these binary stars and their evolution in more detail, her team is striving to figure out how to more systematically search for, and thus understand, these merger events.
—Sophia Chen, Ars Technica, 13 Feb. 2023
The outburst came from a strange array of cooler molecules, not the helium and hydrogen spewed by binary stars.
—Matt Hrodey, Discover Magazine, 11 May 2023
As well as uncovering many more asteroids than were previously thought to exist, DR3 contains the largest ever binary star catalog for the Milky Way as well as millions of galaxies and quasars beyond our Milky Way.
—Jamie Carter, Forbes, 25 June 2022
That’s what researchers believe happened to the binary star VFTS 243 in the nearby Large Magellanic Cloud.
—Caroline Delbert, Popular Mechanics, 19 July 2022
Details of the millimeter wavelength observations of the extremely young 10,000-year-old binary star system NGC 1333-IRAS2A, as reported this week in the journal Nature indicate that planetary systems around binary stars may be very different from those around single stars.
—Bruce Dorminey, Forbes, 27 May 2022
In 2022, Gaia released the first results from its star survey of more than 813,000 binary star systems, providing accurate measurements which led to the discovery of these two black holes.
—Camille Fine, USA TODAY, 5 Apr. 2023
Richardson and Pavao also worked with physicist Jan J. Eldridge at the University of Auckland in New Zealand, an expert on binary star systems and their evolution.
—Ashley Strickland, CNN, 1 Feb. 2023
See More
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 1 Oct. 2023.
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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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