| 单词 | yellow dwarf |
| 释义 | > as lemmasyellow dwarf yellow dwarf n. Astronomy a yellow or white G-type main sequence star (the sun being a star of this class).Yellow dwarfs are medium-sized stars of approx. 0.9 to 1.1 solar masses with surface temperatures in the range 5300 to 6000K, and are thought to include about 10% of the stars in our galaxy. ΚΠ 1921 Nation & Athenæum 19 Feb. 702/2 Our sun is not only one star amongst 3,000 millions; it is a rather insignificant star, being entered officially as a ‘yellow dwarf’. 1995 M. Amis Information (1996) 65 More proximately we are warmed and hatched and raised by a steady-state H-bomb, our yellow dwarf: a second-generation star on the main sequence. 2010 Guardian (Nexis) 26 May The star, a yellow dwarf called Wasp-12, is around 600 light years from Earth in the winter constellation of Auriga, the charioteer. < as lemmas |
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