red dwarf
noun
: a star having substantially lower surface temperature, intrinsic luminosity, mass, and size than the sun
Examples of red dwarf in a Sentence
Recent Examples on the Web
One significant problem, however, is that red dwarfs spit out harmful torrents of radiation in fierce gusts of their stellar winds, which can strip away a planet's atmosphere.
—
Keith Cooper,
Space.com,
2 July 2026
According to O’Conner’s first theory, the planet would have retained far more heat from when the star went red dwarf than the researchers observed.
—
Sam MacDonald,
Scientific American,
1 July 2026
This means the exoplanet originally resided safely outside the red dwarf’s diameter.
—
Andrew Paul,
Popular Science,
1 July 2026
The star itself is called GJ 436, a red dwarf half the mass of the Sun that resides about 30 light-years from Earth.
—
John Timmer,
ArsTechnica,
25 June 2026
See All Example Sentences for red dwarf
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Keith Cooper,
Space.com,
2 July 2026
According to O’Conner’s first theory, the planet would have retained far more heat from when the star went red dwarf than the researchers observed.
—
Sam MacDonald,
Scientific American,
1 July 2026
This means the exoplanet originally resided safely outside the red dwarf’s diameter.
—
Andrew Paul,
Popular Science,
1 July 2026
The star itself is called GJ 436, a red dwarf half the mass of the Sun that resides about 30 light-years from Earth.
—
John Timmer,
ArsTechnica,
25 June 2026
See All Example Sentences for red dwarf
Cite this Entry
“Red dwarf.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/red%20dwarf. Accessed 5 Jul. 2026.
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