: a star having a very low surface temperature and a red color
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According to Nine Planets, Uy Scuti is a supergiant red star that’s located in the constellation named Scutum.—Michael Saponara, Billboard, 25 Apr. 2025 The tricolor has horizontal stripes of green, white, and black, with three red stars down the center stripe, which in the 1930s represented the three main states of Aleppo, Damascus, and Deir Ezzor.—Taylor Luck, Christian Science Monitor, 10 Apr. 2025 One day this boy wants to be a red star inside those red walls.—Michael Walker, The Athletic, 15 Mar. 2025 The Hubble image captures the nebula's diverse stellar population, which includes hot, young blue stars and older red stars, scattered among intricately woven, airy tendrils of gas and dark clumps of dust.—Samantha Mathewson, Space.com, 20 Feb. 2025 See All Example Sentences for red star
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