释义 |
red giant star ThesaurusNoun | 1. | red giant star - a large, old, luminous star; has a relatively low surface temperature and a diameter large relative to the sunred giantstar - (astronomy) a celestial body of hot gases that radiates energy derived from thermonuclear reactions in the interior |
red giant star
red giant star[′red ¦ji·ənt ′stär] (astronomy) A star whose evolution has progressed to the point where hydrogen core burning has been completed, the helium core has become denser and hotter than originally, and the envelope has expanded to perhaps 100 times its initial size. red giant star Related to red giant star: red dwarf star, Stellar evolution, Life cycle of a starSynonyms for red giant starnoun a large, old, luminous starSynonymsRelated Words |