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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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 The smallest red dwarfs, with masses barely bigger than a tenth of the mass of the Sun, can burn for trillions of years. —

Paul Sutter, Ars Technica, 16 Apr. 2024 Too Hot For Life Barnard’s star is a red dwarf star, a low-mass, cool star that comprises about 70% of all the stars in the Milky Way. —

Jamie Carter, Forbes, 1 Oct. 2024 Orbiting a red dwarf star, which typically has a longer lifespan than larger stars like our Sun, Kepler-186f might benefit from stable conditions for billions of years, giving life more time to potentially develop. —

Anna Nordseth, Discover Magazine, 31 July 2024 See all Example Sentences for red dwarf