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
Recent Examples on the Web
And well before that, in about 5 billion years, the sun will expand into a red giant, consuming both the Earth and the moon entirely.
—
Stefanie Waldek,
Space.com,
2 July 2026
The planet either warmed up while engulfed during the red giant phase, or began heating as gravity pulled it closer to the resultant white dwarf.
—
Andrew Paul,
Popular Science,
1 July 2026
Roughly five billion years from now, the sun will follow the same path as this star, expanding into a red giant before shrinking into a white dwarf.
—
Sam MacDonald,
Scientific American,
1 July 2026
The star system consists of a red giant star and a white dwarf locked in a close orbit.
—
Jamie Carter,
Forbes.com,
25 June 2026
See All Example Sentences for red giant
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Stefanie Waldek,
Space.com,
2 July 2026
The planet either warmed up while engulfed during the red giant phase, or began heating as gravity pulled it closer to the resultant white dwarf.
—
Andrew Paul,
Popular Science,
1 July 2026
Roughly five billion years from now, the sun will follow the same path as this star, expanding into a red giant before shrinking into a white dwarf.
—
Sam MacDonald,
Scientific American,
1 July 2026
The star system consists of a red giant star and a white dwarf locked in a close orbit.
—
Jamie Carter,
Forbes.com,
25 June 2026
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 6 Jul. 2026.
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