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
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
Fuller determined that for a red giant, this random walk would see a movement in a random direction at a speed of around 2,200 mph (3,540 km/h).
—
Robert Lea,
Space.com,
22 June 2026
The first is the red giant phase, during which the sun will dramatically increase in size after running out of hydrogen in its core.
—
Rupendra Brahambhatt,
Interesting Engineering,
20 June 2026
There are even some wilder suggestions out there, like moving Earth’s orbit farther from the Sun or removing some of the Sun’s mass to tame the red giant.
—
Scott K. Johnson,
ArsTechnica,
15 June 2026
See All Example Sentences for red giant
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Jamie Carter,
Forbes.com,
25 June 2026
Fuller determined that for a red giant, this random walk would see a movement in a random direction at a speed of around 2,200 mph (3,540 km/h).
—
Robert Lea,
Space.com,
22 June 2026
The first is the red giant phase, during which the sun will dramatically increase in size after running out of hydrogen in its core.
—
Rupendra Brahambhatt,
Interesting Engineering,
20 June 2026
There are even some wilder suggestions out there, like moving Earth’s orbit farther from the Sun or removing some of the Sun’s mass to tame the red giant.
—
Scott K. Johnson,
ArsTechnica,
15 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 26 Jun. 2026.
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