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 star, named StKM 1-1262, is a red dwarf star about 130 light-years from Earth.
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Ashley Strickland, CNN Money, 16 Nov. 2025
With help from the ESA’s XMM-Newton space observatory, the team traced the energy waves to a red dwarf located around 130 light-years away from Earth known as StKM 1-1262.
—Andrew Paul, Popular Science, 12 Nov. 2025
The red dwarf in question has roughly half the mass of our Sun.
—Chris Young, Interesting Engineering, 12 Nov. 2025
The phosphine was identified in the cold atmosphere of a brown dwarf called Wolf 1130C, which exists in a triple system along with a low-mass red dwarf star and a white dwarf.
—Keith Cooper, Space.com, 7 Oct. 2025
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Ashley Strickland, CNN Money, 16 Nov. 2025
With help from the ESA’s XMM-Newton space observatory, the team traced the energy waves to a red dwarf located around 130 light-years away from Earth known as StKM 1-1262.
—Andrew Paul, Popular Science, 12 Nov. 2025
The red dwarf in question has roughly half the mass of our Sun.
—Chris Young, Interesting Engineering, 12 Nov. 2025
The phosphine was identified in the cold atmosphere of a brown dwarf called Wolf 1130C, which exists in a triple system along with a low-mass red dwarf star and a white dwarf.
—Keith Cooper, Space.com, 7 Oct. 2025
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 29 Nov. 2025.
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