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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Spica, which appears as a dazzling blue-white star to the unaided eye, is in fact a binary star system composed of two massive stellar bodies that orbit one another with a separation of just 11 million miles (18 million kilometers).
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Anthony Wood, Space.com, 26 Aug. 2025
If the binary star approaches a third object, some of that energy can be swapped around.
—Phil Plait, Scientific American, 22 May 2025
Detecting and analyzing these oddities can help Bédard, Sahu, and other researchers gain a more comprehensive understanding of the ultimate fate of many binary star systems.
—Andrew Paul Aug 6, Popular Science, 6 Aug. 2025
Research has shown that type Ia supernovae originate from some binary star systems containing at least one white dwarf.
—John W. Dean, MSNBC Newsweek, 7 Apr. 2025
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Anthony Wood, Space.com, 26 Aug. 2025
If the binary star approaches a third object, some of that energy can be swapped around.
—Phil Plait, Scientific American, 22 May 2025
Detecting and analyzing these oddities can help Bédard, Sahu, and other researchers gain a more comprehensive understanding of the ultimate fate of many binary star systems.
—Andrew Paul Aug 6, Popular Science, 6 Aug. 2025
Research has shown that type Ia supernovae originate from some binary star systems containing at least one white dwarf.
—John W. Dean, MSNBC Newsweek, 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 31 Aug. 2025.
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