英语词汇“Barnard's star”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	Barnard's star
释义	Bar·nard's star (bärnərdz) n. A red dwarf star in the constellation Ophiuchus that, at a distance of 5.96 light years, is the fifth nearest star to Earth after the sun and the three stars in the Alpha Centauri system. Barnard's star has the largest proper motion yet observed for a star, 10.3 arcseconds per year. [After Edward Emerson Barnard (1857-1923), American astronomer who discovered it.]
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