as in white dwarf
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Recent Examples of red giant
As the red giant expels gas, the white dwarf pulls in this material until enough accumulates on its surface to trigger a thermonuclear explosion.
—
Jamie Carter, Forbes.com, 27 Jan. 2026
Orion’s brightest stars are Rigel, which marks one of the hunter’s knees, and the red giant star Betelgeuse at his armpit.
—Mike Lynch, Twin Cities, 28 Dec. 2025
The process of expending off energy makes a dying star what's called a red giant, before the white dwarf remains.
—Keith Matheny, Freep.com, 11 Dec. 2025
It may have been mined somewhere on Earth in the not-too-distant past, but originally, it was molded in the heart of an expiring star—either a smaller one that had ballooned into a red giant or a giant crucible that ignited into a supernova.
—Robin George Andrews, Smithsonian Magazine, 30 May 2025
See All Example Sentences for red giant
Jamie Carter, Forbes.com, 27 Jan. 2026
Orion’s brightest stars are Rigel, which marks one of the hunter’s knees, and the red giant star Betelgeuse at his armpit.
—Mike Lynch, Twin Cities, 28 Dec. 2025
The process of expending off energy makes a dying star what's called a red giant, before the white dwarf remains.
—Keith Matheny, Freep.com, 11 Dec. 2025
It may have been mined somewhere on Earth in the not-too-distant past, but originally, it was molded in the heart of an expiring star—either a smaller one that had ballooned into a red giant or a giant crucible that ignited into a supernova.
—Robin George Andrews, Smithsonian Magazine, 30 May 2025
See All Example Sentences for red giant
Recent Examples of Synonyms for red giant
Noun
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Additionally, by using computer simulations, the researchers were able to determine the future of this 3+1 star system, ending up as just two white dwarf stellar remnants.—
Robert Lea,
Space.com,
3 Mar. 2026
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Finally, its now-inert core contracts down to form a white dwarf, while the prior ejecta get heated up and ionized, creating a planetary nebula.—
Big Think,
Big Think,
20 Feb. 2026
Noun
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Instead, Lohan put her right hand in the shot, showing off a bubble bath pink natural nail polish as well as a small red star tattoo.—
Lara Walsh,
InStyle,
6 Jan. 2026
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Big, hot, blue stars live shorter lives, while tiny, cool, red stars live for much longer.—
Stephen DiKerby,
The Conversation,
24 Nov. 2025
Noun
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Using the European Southern Observatory's Very Large Telescope, researchers imaged the binary star system AFGL 4106, which sits at the heart of a dusty orange cocoon.—
Daisy Dobrijevic,
Space.com,
24 Feb. 2026
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Situated some 3,000 light-years away in the constellation Corona Borealis is a binary star system poised for a rare thermonuclear display.—
Michael d'Estries,
Travel + Leisure,
15 Feb. 2026
Noun
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Previously, when a circular orbit had been considered for the progenitor objects beyond this merger, researchers had underestimated the mass of the black hole as being around 9 times the mass of the sun, and the neutron star having a mass of around 2 solar masses.—
Robert Lea,
Space.com,
11 Mar. 2026
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When such a star was some 10 to 25 times the mass of our sun, that remnant is usually a neutron star.—
Joseph Howlett,
Scientific American,
11 Mar. 2026
Noun
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In that environment, brand voice becomes less a creative nice-to-have and more a performance variable.—
Jason Phillips,
USA Today,
9 Mar. 2026
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There’s also the Bryce Eldridge variable; if Eldridge begins the season with Triple-A Sacramento, that leaves the Giants with another roster opening and creates an easier path for Encarnacion and Matos to both be on the Opening Day roster.—
Justice delos Santos,
Mercury News,
7 Mar. 2026
Noun
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Bradley Schaefer, an astronomer at Louisiana State University, focuses on cataclysmic variable stars, objects that vary in brightness over time due to some type of major turmoil.—
Liz Kruesi,
Quanta Magazine,
2 Feb. 2026
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In another imaging campaign, API, assisted by AMIGO, was able to produce detailed images of a black hole jet, the volcanic surface of Jupiter's moon Io, and stellar winds emanating from a distant variable star.—
Tereza Pultarova,
Space.com,
5 Nov. 2025
Noun
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Mapping a seemingly ordinary system The researchers focused on LHS 1903, a small and faint red dwarf star much cooler than our Sun.—
Rupendra Brahambhatt,
Interesting Engineering,
22 Feb. 2026
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Stars that are cooler and fainter can live far longer; the dimmest red dwarf stars theoretically can live on for as much as a trillion years or more.—
Joe Rao,
Space.com,
8 Feb. 2026
Noun
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Even though novas are exceptionally bright, supernovas are brighter—reaching billions of times brighter than the sun at their peak.—
Elizabeth Gamillo,
Smithsonian Magazine,
3 July 2025
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Recorded live at the Lincoln Center, the band plays a bossa-nova take on the song while Gaga sings solo, wearing one of Cher’s own wigs.—
Kristen S. Hé,
Vulture,
19 Mar. 2025
Cite this Entry
“Red giant.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/red%20giant. Accessed 12 Mar. 2026.
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