英语词汇“trifid nebula”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	trifid nebula
释义	Trifid nebula Trifid nebula (triff -id) (M20; NGC 6514) An emission nebula about 2000 parsecs away in the direction of Sagittarius. There is dark matter associated with the nebula. Trifid nebula [′trī‚fid ′neb·yə·lə] (astronomy) An emission nebula in Sagittarius that consists mostly of hydrogen ionized by hot, young stars, and displays dark lanes formed by dust.
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Trifid nebula