as in white dwarf
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Recent Examples of red giant
This may become particularly relevant when the proximate red giant star known as Betelgeuse, located around 700 light-years away, goes supernova.
—
Robert Lea, Space.com, 13 June 2025
Arcturus, the fourth brightest star in the night sky is an aging red giant only 36.6 light years away.
—Bruce Dorminey, Forbes.com, 7 June 2025
Can life survive in the solar system once the sun dies and becomes a red giant star?
—Paul Sutter, Space.com, 3 June 2025
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
See All Example Sentences for red giant
Robert Lea, Space.com, 13 June 2025
Arcturus, the fourth brightest star in the night sky is an aging red giant only 36.6 light years away.
—Bruce Dorminey, Forbes.com, 7 June 2025
Can life survive in the solar system once the sun dies and becomes a red giant star?
—Paul Sutter, Space.com, 3 June 2025
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
See All Example Sentences for red giant
Recent Examples of Synonyms for red giant
Noun
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But a major reason why experts have difficulty finding binary star white dwarfs is because of their trademark ultraviolet emissions.—
Andrew Paul Aug 6,
Popular Science,
6 Aug. 2025
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Astronomers have discovered a rare pair of white dwarfs destined to explode in a spectacular supernova in Earth’s cosmic neighborhood.—
Margherita Bassi,
Smithsonian Magazine,
9 Apr. 2025
Noun
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The waxing gibbous moon will shine close to the red star Antares after sunset on Sunday (Aug. 3).—
Anthony Wood,
Space.com,
3 Aug. 2025
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Blue and red stars shine brightly, while nearby blue spiral galaxies and distant red galaxy groups can also be seen.—
Eric Lagatta,
USA Today,
25 June 2025
Noun
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Detecting and analyzing these oddities can help Bédard, Sahu, and other researchers gain a more comprehensive understanding of the ultimate fate of many binary star systems.—
Andrew Paul Aug 6,
Popular Science,
6 Aug. 2025
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Research has shown that type Ia supernovae originate from some binary star systems containing at least one white dwarf.—
John W. Dean,
MSNBC Newsweek,
7 Apr. 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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Pulsars are neutron stars — the ultradense leftover cores of long-dead stars — that spin rapidly and emit radiation at regular intervals.—
Paul Sutter,
Space.com,
28 July 2025
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Signals from scattering black holes and neutron stars should be within reach of the next generation of gravitational-wave detectors that are set to come online in the late 2030s.—
Ramin Skibba,
Scientific American,
13 May 2025
Noun
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These variables offer opportunities to strengthen trust with existing families and network with up-and-coming generations, ultimately achieving results that corporations, primarily focused on quarterly profits, often ignore or struggle to satisfy adequately.—
Geoff Whitmore,
Forbes.com,
15 Aug. 2025
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The final crucial variable is the ratio of water to coffee.—
The Washington Post,
San Diego Union-Tribune,
13 Aug. 2025
Noun
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Astronomers using the James Webb Space Telescope found a planet while observing Alpha Centauri, a system of three stars orbiting each other — binary stars Alpha Centauri A and B, along with the red dwarf star Proxima Centauri.—
Jamie Carter,
Forbes.com,
9 Aug. 2025
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And the star and its two companions, the slightly smaller Alpha Centauri B and the tiny red dwarf star Proxima Centauri, comprise the nearest stellar system to our own—just about four and a half light-years away.—
Meghan Bartels,
Scientific American,
7 Aug. 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 20 Aug. 2025.
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