as in white dwarf
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Recent Examples of red giant
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
There’s a key reference in Thunderbolts* to a U.S. president turning into a red giant, which is a major plot point in Brave New World.
—Barry Levitt, Vulture, 1 May 2025
At the upper left-hand corner of the Winter Triangle is the super red giant star Betelgeuse, the second-brightest star in Orion the Hunter.
—Mike Lynch, Twin Cities, 23 Feb. 2025
See All Example Sentences for red giant
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
There’s a key reference in Thunderbolts* to a U.S. president turning into a red giant, which is a major plot point in Brave New World.
—Barry Levitt, Vulture, 1 May 2025
At the upper left-hand corner of the Winter Triangle is the super red giant star Betelgeuse, the second-brightest star in Orion the Hunter.
—Mike Lynch, Twin Cities, 23 Feb. 2025
See All Example Sentences for red giant
Recent Examples of Synonyms for red giant
Noun
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Using the largest catalog of exploding white dwarf vampire stars ever gathered has provided further evidence that dark energy, the mysterious force accelerating the expansion of the universe, is getting weaker.—
Robert Lea,
Space.com,
24 July 2025
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What’s more, other recent work, including discoveries by other researchers at UC Irvine, have found that tens of billions of white dwarf stars once believed to be non-starters in the search for life might, in fact, generate enough heat to make a planet habitable.—
Andre Mouchard,
Oc Register,
16 July 2025
Noun
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The campaign, which is slated to run locally, nationally and internationally, incorporates the red stars and colors of the Chicago flag, and features scenes of people making doughnuts, running by the lakefront and partying en masse at a live concert.—
Robert Channick,
Chicago Tribune,
12 June 2025
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The lunar disk will appear to close in on Antares as the night of June 9 progresses, with the red star eventually setting above the moon's upper left shoulder as the duo slip beneath the southwestern horizon in the predawn hours of June 10.—
Anthony Wood,
Space.com,
8 June 2025
Noun
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The discovery means that Betelgeuse is a binary star system.—
Robin George Andrews,
New York Times,
22 July 2025
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Strange things start to happen as the Enterprise follows the Gorn closer to a binary star system.—
Keith Phipps,
Vulture,
17 July 2025
Noun
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In the desert lands of the first century, a young boy catches the sight of a giant star.—
Greg Evans,
Deadline,
2 June 2025
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The most violent of these deaths are associated with truly giant stars and are known as supernovas—explosions that sometimes outshine entire galaxies.—
Robin George Andrews,
Smithsonian Magazine,
30 May 2025
Noun
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For example, colliding neutron stars can release enormous amounts of energy – and elements such as gold – on their way to forming black holes.—
Stephen L. Levy,
The Conversation,
23 June 2025
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Pulsars are rapidly spinning neutron stars that send out brief radio wave pulses at rapid intervals.—
Phil Plait,
Scientific American,
15 May 2025
Noun
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Moreover, real-world scenarios often have too many variables to be modeled precisely, creating gaps between theoretical predictions and actual behavior.—
Ali Faizan Rizvi,
Forbes.com,
23 July 2025
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And all of those variables depend, in turn, on whether Trump decides to temper the policies — as he’s occasionally proved willing to do, especially when financial markets react badly.—
Jonathan Levin,
Twin Cities,
20 July 2025
Noun
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And the odds are in favor of the red dwarf idea, because these dim, cool-burning stars make up about 75% of the stars in our galaxy.—
Kiona N. Smith,
Forbes.com,
11 July 2025
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The coolness of red dwarf stars like LHS 2520 means they are often posited as stars likely to host habitable zones.—
Robert Lea,
Space.com,
7 July 2025
Noun
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Many of these alerts will be triggered by variable stars, which cyclically change in brightness.—
IEEE Spectrum,
IEEE Spectrum,
23 June 2025
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After weeks, months and years of observations, astronomers will have a time-lapse record revealing anything that explodes, flashes or moves – such as supernovas, variable stars or asteroids.—
Samantha Thompson,
Space.com,
7 July 2025
Cite this Entry
“Red giant.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/red%20giant. Accessed 30 Jul. 2025.
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