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
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The fact that red dwarfs are the most common type of star in the Milky Way, accounting for around 75% of the stars in our galaxy, means this type of planetary engulfment may be extremely common.
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Robert Lea, Space.com, 29 May 2026
Scientists first observed the planet in 2019, when the Transiting Exoplanet Survey Satellite caught a glimpse of L 98-59 d passing in front of the red dwarf star at the center of its system.
—K. R. Callaway, Scientific American, 11 May 2026
The Jupiter-esque planet known as TOI-5205 b is the first exoplanet of its kind with an atmosphere containing far fewer heavy elements than similarly sized objects, as well as its own red dwarf star.
—Andrew Paul, Popular Science, 2 Apr. 2026
The research team, led by Yilen Gómez Maqueo Chew of the National Autonomous University of Mexico, detected a transit signal in the light curve of the star TOI-1080, an inactive M4V-type red dwarf.
—Bojan Stojkovski, Interesting Engineering, 16 Mar. 2026
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Robert Lea, Space.com, 29 May 2026
Scientists first observed the planet in 2019, when the Transiting Exoplanet Survey Satellite caught a glimpse of L 98-59 d passing in front of the red dwarf star at the center of its system.
—K. R. Callaway, Scientific American, 11 May 2026
The Jupiter-esque planet known as TOI-5205 b is the first exoplanet of its kind with an atmosphere containing far fewer heavy elements than similarly sized objects, as well as its own red dwarf star.
—Andrew Paul, Popular Science, 2 Apr. 2026
The research team, led by Yilen Gómez Maqueo Chew of the National Autonomous University of Mexico, detected a transit signal in the light curve of the star TOI-1080, an inactive M4V-type red dwarf.
—Bojan Stojkovski, Interesting Engineering, 16 Mar. 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 3 Jun. 2026.
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