单词 | massive star |
释义 | > as lemmasmassive star massive star n. Astronomy a star having a mass significantly greater than the sun (typically between 10 and 150 times), which ends its life as a supernova. ΚΠ 1929 J. H. Jeans Universe around Us iii. 185 In the time in which a massive star loses a hundred-weight per ton, a star of light weight may lose only a few pounds per ton. 1978 A. J. Meadows Stellar Evol. (ed. 2) vii. 138 After helium-burning in the core, a massive star moves on to the same double shell-burning that the lower main-sequence stars experience. 1993 Discover Feb. 12/1 When a massive star runs out of fuel for the fusion reactor in its core, it can no longer generate enough heat to keep itself inflated against the force of gravity. < as lemmas |
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