单词	red giants
释义	red giant noun : a star that has low surface temperature and a diameter that is large relative to the sun Example Sentences Recent Examples on the Web The researchers also dug up ancient records for 235 other stars, including another red giant that looks much like Betelgeuse today—the southern-sky star Antares. James Riordon, Scientific American, 18 Aug. 2022 Kramers suggested that these elemental proportions may have been inherited from a red giant star. Jennifer Ouellette, Ars Technica, 2 June 2022 Kroto realized that this apparatus could create conditions similar to those in the atmosphere of a red giant. Kenneth Chang, BostonGlobe.com, 20 July 2022 The process begins with a binary system, in which one of the two stars turns into a red giant, leaving just a white dwarf remnant core still in orbit with the other star in the system. Jennifer Ouellette, Ars Technica, 20 Apr. 2022 So these stars take on an orange-red appearance, hence the red giant moniker. Jennifer Ouellette, Ars Technica, 29 Mar. 2022 Eventually, the helium in a red giant's core will be spent, and the core will shrink again. Jennifer Ouellette, Ars Technica, 29 Mar. 2022 When that happens, the Sun will become a red giant. Joshua Hawkins, BGR, 19 Jan. 2022 Also, that big red giant looks a lot like the unexplained mountain in the Indian ocean. Chris Smith, BGR, 10 Nov. 2021 See More Word History First Known Use 1929, in the meaning defined above red giants noun plural of red giant as in white dwarfs Synonyms & Similar Words Relevance white dwarfs red dwarfs brown dwarfs red stars giant stars binary stars variable stars fixed stars neutron stars variables brown dwarves lodestars loadstars superclusters subdwarfs supergiants dwarves quasars gassers supernovas novas pulsars dwarfs supernovae novae luminaries clusters spheres galaxies suns constellations
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