as in white dwarf
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Recent Examples of red giant
As the two orbit each other, the intense gravity of the white dwarf pulls gas off the red giant star.
—
Mike Lynch, Twin Cities, 13 Apr. 2025
One is a red giant—a big, luminous star in the process of dying—that’s over 400 times larger than the sun.
—Amanda Kooser, Forbes, 17 Oct. 2024
In the evening, red giant flying squirrels emerged from their tree holes before sailing from trunk to trunk in the twilight.
—Mihir Zaveri, Chicago Tribune, 22 Jan. 2025
Every 78 to 80 years, the white dwarf in this binary system accumulates enough material from its companion red giant star to trigger a thermonuclear explosion.
—Jamie Carter, Space.com, 2 Mar. 2025
See All Example Sentences for red giant
Mike Lynch, Twin Cities, 13 Apr. 2025
One is a red giant—a big, luminous star in the process of dying—that’s over 400 times larger than the sun.
—Amanda Kooser, Forbes, 17 Oct. 2024
In the evening, red giant flying squirrels emerged from their tree holes before sailing from trunk to trunk in the twilight.
—Mihir Zaveri, Chicago Tribune, 22 Jan. 2025
Every 78 to 80 years, the white dwarf in this binary system accumulates enough material from its companion red giant star to trigger a thermonuclear explosion.
—Jamie Carter, Space.com, 2 Mar. 2025
See All Example Sentences for red giant
Recent Examples of Synonyms for red giant
Noun
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The object could be a white dwarf—an Earth-sized husk that remains after a star has exhausted its nuclear fuel.—
Jeffrey Kluger,
Time,
30 May 2025
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The most likely scenario is a Type Ia supernova, which occurs in binary star systems in which a white dwarf consumes enough mass of its companion star to explode violently.—
Stefanie Waldek,
Space.com,
29 May 2025
Noun
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Steinhardt, however, has an alternate hypothesis: Some post-starburst galaxies may be, unbeknownst to us, slowly forming small, red stars over time.—
David Faris,
MSNBC Newsweek,
11 Apr. 2025
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According to Nine Planets, Uy Scuti is a supergiant red star that’s located in the constellation named Scutum.—
Michael Saponara,
Billboard,
25 Apr. 2025
Noun
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Astronomers have theorized that supernovas such as these are caused by two white dwarfs orbiting each other in a binary star system, when one of them consumes the other.—
Margherita Bassi,
Smithsonian Magazine,
9 Apr. 2025
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After converging, the binary star system will explode into a Type 1a supernova.—
Julian Dossett,
Space.com,
7 Apr. 2025
Noun
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Pollux is a giant star, while Castor is three stars orbiting each other.—
Jamie Carter,
Forbes.com,
29 May 2025
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Planetary nebulae like Kohoutek 4-55 are the finale at the end of a giant star’s life.—
Robert Z. Pearlman,
Space.com,
15 Apr. 2025
Noun
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These waves may also create detectable radio signals, potentially allowing astronomers to catch two distinct bursts from a single neutron star–black hole collision.—
Sharmila Kuthunur,
Space.com,
5 June 2025
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With their extremely strong magnetic fields, these neutron stars – small, dense collapsed cores of supergiant stars – are capable of producing the powerful bursts of energy that have been observed for years.—
Eric Lagatta,
USA Today,
31 May 2025
Noun
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The lab, founded in 1961, is still known worldwide for its computer modeling of the planet that enable scientists to make projections for how climate change may affect global temperatures, precipitation, extreme weather events and other variables.—
Andrew Freedman,
CNN Money,
5 June 2025
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Exposing environment variables to unknown inference endpoints off the security team’s radar.—
Anshu Bansal,
Forbes.com,
5 June 2025
Noun
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But Proxima Centauri is a red dwarf star, with just a fraction of the sun's brightness and size.—
Paul Sutter,
Space.com,
20 May 2025
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The planet in question, imaginatively named K2-18b, is about two and a half times the size of Earth and orbits a red dwarf star.—
Alex Knapp,
Forbes.com,
18 Apr. 2025
Noun
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Among the supernovas in the data will be other transient events such as variable stars and kilonovas, the violent collision between extreme dense stellar remnants called neutron stars.—
Robert Lea,
Space.com,
27 Jan. 2025
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In particular, Leavitt would scrutinize images of the Small and Large Magellanic Clouds, and had identified 1,800 variable stars within them.—
Keith Cooper,
Space.com,
17 Jan. 2025
Cite this Entry
“Red giant.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/red%20giant. Accessed 13 Jun. 2025.
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