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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With the quest for longitude over, the observatory explored other avenues of astronomy, such as tracking Earth's magnetic field, viewing planetary transits and characterizing binary star systems.
—
Anthony Wood, Space.com, 22 June 2025
Astronomers may have discovered a rare type of binary star system, where one star used to orbit inside its partner.
—Charles Q. Choi, Space.com, 22 May 2025
Astronomers have theorized that supernovas such as these are caused by two white dwarfs orbiting each other in a binary star system, when one of them consumes the other.
—Margherita Bassi, Smithsonian Magazine, 9 Apr. 2025
After converging, the binary star system will explode into a Type 1a supernova.
—Julian Dossett, Space.com, 7 Apr. 2025
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Anthony Wood, Space.com, 22 June 2025
Astronomers may have discovered a rare type of binary star system, where one star used to orbit inside its partner.
—Charles Q. Choi, Space.com, 22 May 2025
Astronomers have theorized that supernovas such as these are caused by two white dwarfs orbiting each other in a binary star system, when one of them consumes the other.
—Margherita Bassi, Smithsonian Magazine, 9 Apr. 2025
After converging, the binary star system will explode into a Type 1a supernova.
—Julian Dossett, Space.com, 7 Apr. 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 8 Jul. 2025.
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