as in white dwarf
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Recent Examples of red dwarf
The smallest red dwarfs, with masses barely bigger than a tenth of the mass of the Sun, can burn for trillions of years.
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Paul Sutter, Ars Technica, 16 Apr. 2024
Too Hot For Life Barnard’s star is a red dwarf star, a low-mass, cool star that comprises about 70% of all the stars in the Milky Way.
—Jamie Carter, Forbes, 1 Oct. 2024
Orbiting a red dwarf star, which typically has a longer lifespan than larger stars like our Sun, Kepler-186f might benefit from stable conditions for billions of years, giving life more time to potentially develop.
—Anna Nordseth, Discover Magazine, 31 July 2024
Attention has instead turned to small, red dwarf stars, or M-dwarfs, which are between 10% and 60% of the size of the Sun and less than 7% as bright.
—Bydaniel Clery, science.org, 20 June 2024
See all Example Sentences for red dwarf 
Paul Sutter, Ars Technica, 16 Apr. 2024
Too Hot For Life Barnard’s star is a red dwarf star, a low-mass, cool star that comprises about 70% of all the stars in the Milky Way.
—Jamie Carter, Forbes, 1 Oct. 2024
Orbiting a red dwarf star, which typically has a longer lifespan than larger stars like our Sun, Kepler-186f might benefit from stable conditions for billions of years, giving life more time to potentially develop.
—Anna Nordseth, Discover Magazine, 31 July 2024
Attention has instead turned to small, red dwarf stars, or M-dwarfs, which are between 10% and 60% of the size of the Sun and less than 7% as bright.
—Bydaniel Clery, science.org, 20 June 2024
See all Example Sentences for red dwarf
Recent Examples of Synonyms for red dwarf
Noun
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However, if the white dwarf progenitor star exists in a binary with another star, this stellar corpse can begin vampirically stripping material from its companion.—
Robert Lea,
Space.com,
27 Jan. 2025
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If the circling object is indeed a white dwarf, the body would be pulling of a precarious balancing act, teetering on the black hole’s edge without falling in.—
Eric Lagatta,
USA TODAY,
14 Jan. 2025
Noun
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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,
27 Jan. 2025
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That has led to a focus on compact objects, like neutron stars and black holes—especially a class of neutron stars called magnetars—as likely sources.—
Ars Technica,
Ars Technica,
22 Jan. 2025
Noun
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During his memorial, his coffin was secured on the van and draped in the Syrian flag—not the one that hung from Assad’s palace but an earlier version, with three red stars, that had been revived as an emblem of the revolution.—
Jon Lee Anderson,
The New Yorker,
27 Jan. 2025
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See the location of the Hollywood Sign marked by the red star in the image below.—
Greta Cross,
USA TODAY,
9 Jan. 2025
Noun
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The discovery, which relied on data from the European Southern Observatory’s Very Large Telescope, marks the first time that a binary star system has been observed in the vicinity of a supermassive black hole, according to a press release.—
Eric Lagatta,
USA TODAY,
18 Dec. 2024
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However, the existence of a white dwarf is not sufficient for a Type la supernova; the white draft must also be part of a binary star system, in which a pair of stars orbit a common center of mass.—
Julian Dossett,
Space.com,
15 Jan. 2025
Noun
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Three teams have identified a dozen or so brown dwarfs between three and eight Jupiter masses—and no smaller.—
ByAdam Mann,
science.org,
6 Nov. 2024
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As expected with these diminutive masses, brown dwarfs are rarely found in binaries.—
Robert Lea,
Space.com,
24 Dec. 2024
Noun
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Of course, trying to observe finicky birds in remote habitats full of uncontrollable variables may mean that this particular test would not be resolved anytime soon.—
Jason Bittel,
New York Times,
12 Feb. 2025
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For improving mental health, these variables seem to have surprisingly weak effects.—
Alex Hutchinson,
Outside Online,
9 Feb. 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
Noun
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One is directly, by observing 'standard candles' — that is, objects with predictable luminosities such as Cepheid variables, type Ia supernova explosions, and red giant stars — in galaxies and determining how far away they are based on the apparent brightness of these standard candles.—
Keith Cooper,
Space.com,
22 Jan. 2025
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As the red giant sheds its outer layers, the white dwarf will pull the hydrogen waste to its own surface.—
Jack Knudson,
Discover Magazine,
6 Jan. 2025
Thesaurus Entries Near red dwarf
Cite this Entry
“Red dwarf.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/red%20dwarf. Accessed 22 Feb. 2025.
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