as in white dwarf
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Recent Examples of red dwarf
Illustration: Getty Images A team of astronomers from the University of Montreal has discovered a new potentially habitable exoplanet orbiting the red dwarf star L 98-59, 35 light-years from Earth.
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Jorge Garay, Wired News, 28 July 2025
Located about 35 light-years from Earth, L 98-59 is a cool, dim red dwarf star already known to host a compact system of small, rocky planets.
—Samantha Mathewson, Space.com, 24 July 2025
And the odds are in favor of the red dwarf idea, because these dim, cool-burning stars make up about 75% of the stars in our galaxy.
—Kiona N. Smith, Forbes.com, 11 July 2025
The coolness of red dwarf stars like LHS 2520 means they are often posited as stars likely to host habitable zones.
—Robert Lea, Space.com, 7 July 2025
See All Example Sentences for red dwarf
Jorge Garay, Wired News, 28 July 2025
Located about 35 light-years from Earth, L 98-59 is a cool, dim red dwarf star already known to host a compact system of small, rocky planets.
—Samantha Mathewson, Space.com, 24 July 2025
And the odds are in favor of the red dwarf idea, because these dim, cool-burning stars make up about 75% of the stars in our galaxy.
—Kiona N. Smith, Forbes.com, 11 July 2025
The coolness of red dwarf stars like LHS 2520 means they are often posited as stars likely to host habitable zones.
—Robert Lea, Space.com, 7 July 2025
See All Example Sentences for red dwarf
Recent Examples of Synonyms for red dwarf
Noun
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Astronomers using the Hubble Space Telescope have discovered that a seemingly ordinary white dwarf star is actually the result of a dramatic stellar merger.—
Sharmila Kuthunur,
Space.com,
18 Aug. 2025
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The sun blows off its outer layers and the core is exposed to space, transforming into what astronomers call a white dwarf.—
Phil Plait,
Scientific American,
3 July 2025
Noun
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An example of that is the suggestion that certain dark matter candidates could become trapped in neutron stars, gathering and gradually annihilating each other thus heating these stellar remnants.—
Robert Lea,
Space.com,
25 Aug. 2025
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Meanwhile, an iron-core collapse supernova happens after a star more than 10 times our sun’s mass finally depletes all its fuel and subsequently collapses into a neutron star or black hole.—
Andrew Paul,
Popular Science,
14 Aug. 2025
Noun
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Aldebaran, the red star that represents the 'right eye' of the bull, appears to be part of the cluster, but is actually located a mere 65 light-years from us.—
Anthony Wood,
Space.com,
17 Aug. 2025
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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
Noun
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Spica, which appears as a dazzling blue-white star to the unaided eye, is in fact a binary star system composed of two massive stellar bodies that orbit one another with a separation of just 11 million miles (18 million kilometers).—
Anthony Wood,
Space.com,
26 Aug. 2025
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If the binary star approaches a third object, some of that energy can be swapped around.—
Phil Plait,
Scientific American,
22 May 2025
Noun
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Traces of silicates have been seen around stars and even brown dwarfs before, but this is the first time these fingerprints have been found around much smaller free-floating planets.—
Robert Lea,
Space.com,
30 July 2025
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The first brown dwarfs were only found in the 1990s.—
Phil Plait,
Scientific American,
12 June 2025
Noun
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That's what good engineering provides, repeatable processes that work regardless of the specific variables.—
Malana VanTyler,
USA Today,
27 Aug. 2025
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There’s a lot of outside stuff, different variables.—
Rob Reischel,
Forbes.com,
26 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
Noun
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When this happens, a sun-like star's outer layers expand, transforming the star into a red giant, which eventually casts its outer layers adrift into space, forming a planetary nebula.—
Keith Cooper,
Space.com,
8 July 2025
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Antares, a red giant star, is the brightest star in Scorpius and marks the heart of the beast.—
Mike Lynch,
Twin Cities,
3 Aug. 2025
Cite this Entry
“Red dwarf.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/red%20dwarf. Accessed 1 Sep. 2025.
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