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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Arcturus, the fourth brightest star in the night sky is an aging red giant only 36.6 light years away.
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Bruce Dorminey, Forbes.com, 7 June 2025
Can life survive in the solar system once the sun dies and becomes a red giant star?
—Paul Sutter, Space.com, 3 June 2025
The other is a red giant, a previous stage of stellar evolution in which a dying star with an expanding radius and diminishing surface temperature runs out of hydrogen fuel.
—Jack Knudson, Discover Magazine, 6 Jan. 2025
Brightest among the stars captured in Meyer's colorful portrait is the aging red giant Antares, which can be found illuminating the right hand side of the cosmic vista.
—Anthony Wood, Space.com, 10 May 2025
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Bruce Dorminey, Forbes.com, 7 June 2025
Can life survive in the solar system once the sun dies and becomes a red giant star?
—Paul Sutter, Space.com, 3 June 2025
The other is a red giant, a previous stage of stellar evolution in which a dying star with an expanding radius and diminishing surface temperature runs out of hydrogen fuel.
—Jack Knudson, Discover Magazine, 6 Jan. 2025
Brightest among the stars captured in Meyer's colorful portrait is the aging red giant Antares, which can be found illuminating the right hand side of the cosmic vista.
—Anthony Wood, Space.com, 10 May 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 17 Jun. 2025.
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