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 potential problem here is that red dwarfs spend a long time dimming during their early phases, which means planets in their habitable zone may have originally been too close to the star and, therefore, too hot.
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Conor Feehly, Discover Magazine, 9 Oct. 2024
That is the result of the unusual characteristics of their tiny and cool host red dwarf star, which can mimic atmospheric signals that are already weak and hard to detect.
—Sharmila Kuthunur, Space.com, 18 Dec. 2024
However, red dwarf stars have starspots and eruptions that interfere with measurements.
—Jamie Carter, Forbes, 16 Dec. 2024
This galactic speed demon appears to have a red dwarf star smaller and dimmer than our sun.
—Jonathan O'Callaghan, Scientific American, 30 Oct. 2024
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Conor Feehly, Discover Magazine, 9 Oct. 2024
That is the result of the unusual characteristics of their tiny and cool host red dwarf star, which can mimic atmospheric signals that are already weak and hard to detect.
—Sharmila Kuthunur, Space.com, 18 Dec. 2024
However, red dwarf stars have starspots and eruptions that interfere with measurements.
—Jamie Carter, Forbes, 16 Dec. 2024
This galactic speed demon appears to have a red dwarf star smaller and dimmer than our sun.
—Jonathan O'Callaghan, Scientific American, 30 Oct. 2024
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 1 Mar. 2025.
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