binary star
noun
: a system of two stars that revolve around each other under their mutual gravitation
Examples of binary star in a Sentence
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This nova is especially exciting because the white dwarf star on which it is found exists in a particularly unusual binary star system.
—
Keith Cooper, Space.com, 20 Feb. 2025
Roman will be looking at the motion of the universe in the visible range too, thanks to what are known as type 1a supernovas—exploding stars that are part of a binary star system.
—Jeffrey Kluger/greenbelt, TIME, 8 Feb. 2025
The discovery, which relied on data from the European Southern Observatory’s Very Large Telescope, marks the first time that a binary star system has been observed in the vicinity of a supermassive black hole, according to a press release.
—Eric Lagatta, USA TODAY, 18 Dec. 2024
However, the existence of a white dwarf is not sufficient for a Type la supernova; the white draft must also be part of a binary star system, in which a pair of stars orbit a common center of mass.
—Julian Dossett, Space.com, 15 Jan. 2025
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Keith Cooper, Space.com, 20 Feb. 2025
Roman will be looking at the motion of the universe in the visible range too, thanks to what are known as type 1a supernovas—exploding stars that are part of a binary star system.
—Jeffrey Kluger/greenbelt, TIME, 8 Feb. 2025
The discovery, which relied on data from the European Southern Observatory’s Very Large Telescope, marks the first time that a binary star system has been observed in the vicinity of a supermassive black hole, according to a press release.
—Eric Lagatta, USA TODAY, 18 Dec. 2024
However, the existence of a white dwarf is not sufficient for a Type la supernova; the white draft must also be part of a binary star system, in which a pair of stars orbit a common center of mass.
—Julian Dossett, Space.com, 15 Jan. 2025
See All Example Sentences for binary star
Cite this Entry
“Binary star.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/binary%20star. Accessed 3 Mar. 2025.
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