as in white dwarf
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Recent Examples of red giant
This star is a red giant known as SDSS J0715-7334, and has just one-20,000th the abundance of heavy elements that our Sun possesses.
—
Big Think, 10 Oct. 2025
Arcturus’ orange-red glow is typical of stars classified as red giants.
—Mike Lynch, Twin Cities, 7 Sep. 2025
In our own solar system, Mercury, Venus and Earth will be destroyed when the Sun eventually becomes a red giant before transitioning into a white dwarf.
—Juliette Becker, The Conversation, 28 Aug. 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
Big Think, 10 Oct. 2025
Arcturus’ orange-red glow is typical of stars classified as red giants.
—Mike Lynch, Twin Cities, 7 Sep. 2025
In our own solar system, Mercury, Venus and Earth will be destroyed when the Sun eventually becomes a red giant before transitioning into a white dwarf.
—Juliette Becker, The Conversation, 28 Aug. 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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The hypothesis was based on the taking of distance measurements to faraway galaxies using type 1a supernovae, stellar explosions that occur in twin star systems where one of the stars is a white dwarf.—
Ian Randall,
MSNBC Newsweek,
6 Nov. 2025
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Meanwhile, Type la supernovas occur when a white dwarf star undergoes a thermonuclear explosion, reaching nearly the same peak brightness each time.—
Kenna Hughes-Castleberry,
Space.com,
4 Nov. 2025
Noun
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First, locate the red star Betelgeuse using a smartphone astronomy app.—
Anthony Wood,
Space.com,
20 Oct. 2025
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The look of his No. 88 car has been overhauled, featuring the red cross, red stars, and silver ferns on a black backdrop.—
Saajan Jogia,
MSNBC Newsweek,
11 Oct. 2025
Noun
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But when a binary star about to go supernova threatens the planet Adjumir, Maw’s beloved Gebre entrusts him with an artifact and the order to leave him behind.—
Literary Hub,
Literary Hub,
3 Nov. 2025
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Next, locate the highest point of light in the constellation — the binary star system Rasalhague — and its neighbor Kappa Ophiuchi to the lower right.—
Anthony Wood,
Space.com,
25 Oct. 2025
Noun
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What is a neutron star, or pulsar?—
Adam Harrington,
CBS News,
23 Dec. 2025
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Pulsar 2849 intrigued me with its neutron star premise.—
Nola Taylor Tillman,
Space.com,
21 Dec. 2025
Noun
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Players getting paid can also affect locker room chemistry and become another variable to be managed.—
Ralph D. Russo,
New York Times,
8 Jan. 2026
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Instead, the number will stay low but variable.—
Ryan Coleman,
Entertainment Weekly,
6 Jan. 2026
Noun
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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
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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
Noun
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The star, named StKM 1-1262, is a red dwarf star about 130 light-years from Earth.—
Ashley Strickland,
CNN Money,
16 Nov. 2025
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With help from the ESA’s XMM-Newton space observatory, the team traced the energy waves to a red dwarf located around 130 light-years away from Earth known as StKM 1-1262.—
Andrew Paul,
Popular Science,
12 Nov. 2025
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 11 Jan. 2026.
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