red giant
noun
: a star that has low surface temperature and a diameter that is large relative to the sun
Examples of red giant in a Sentence
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Sometime between now and when the sun enters its Earth-devouring red giant phase, Major League Baseball will make an official announcement regarding its 2026-28 media rights contracts.
—
Anthony Crupi, Sportico.com, 24 Sep. 2025
When that happens, stars puff out into red giants.
—Mike Lynch, Twin Cities, 7 Sep. 2025
Antares is, in reality, a binary star system, made up of a red supergiant star with a white main sequence companion, though the light of the red giant dominates the naked-eye view from Earth.
—Anthony Wood, Space.com, 29 Aug. 2025
Webb’s data revealed an object, named NIR-1, which could be a massive star or a red giant — a sun-like star at the end of its life that has brightened significantly.
—Ashley Strickland, CNN Money, 26 Aug. 2025
See All Example Sentences for red giant
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Anthony Crupi, Sportico.com, 24 Sep. 2025
When that happens, stars puff out into red giants.
—Mike Lynch, Twin Cities, 7 Sep. 2025
Antares is, in reality, a binary star system, made up of a red supergiant star with a white main sequence companion, though the light of the red giant dominates the naked-eye view from Earth.
—Anthony Wood, Space.com, 29 Aug. 2025
Webb’s data revealed an object, named NIR-1, which could be a massive star or a red giant — a sun-like star at the end of its life that has brightened significantly.
—Ashley Strickland, CNN Money, 26 Aug. 2025
See All Example Sentences for red giant
Cite this Entry
“Red giant.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/red%20giant. Accessed 29 Sep. 2025.
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