: a star having a very low surface temperature and a red color
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So far, the guiding lights to find the comet have been the bright planet Venus and the bright red star Arcturus.—Jamie Carter, Forbes, 27 Oct. 2024 The flag of North Korea features a red star within a white circle set against a wide red stripe, bordered by thinner white and blue stripes.—Kimmy Yam, NBC News, 17 Oct. 2024 More specifically, the radiant is north of Betelgeuse, the bright, red star that represents Orion’s right shoulder.—Sarah Kuta, Smithsonian Magazine, 17 Oct. 2024 So two blue stars close together might be resolvable in a telescope, while two red stars at the same separation won’t be.—Phil Plait, Scientific American, 30 Aug. 2024 See all Example Sentences for red star
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