| 单词 | mass-luminosity relation |
| 释义 | > as lemmasmass-luminosity relation mass-luminosity adj. Astronomy designating a relationship existing between the mass (M) and luminosity (L) of main sequence stars, such that L ∝ Mn; esp. in mass-luminosity relation. ΚΠ 1888 C. A. Young Text-bk. Gen. Astron. xxi. 499 Monck..has recently called attention to a curious relation between the apparent brightness of a binary, its period and (angular) distance on the one hand and its ‘mass-brightness’, or candle-power per ton, on the other.] 1926 A. S. Eddington Internal Constit. Stars vii. 160 Provisionally, we shall assume that the mass-luminosity relation is true not only statistically but individually. 1999 Britannica Online (Version 99.1) The mass-luminosity correlation applies only to unevolved main-sequence stars. It fails for giants and supergiants and for the subgiant (dimmer) components of eclipsing binaries, all of which have changed considerably during their lifetimes. < as lemmas |
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