英语词汇“barnard's loop”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 loop
释义	DictionarySeering Barnard's loop Barnard's loop or ring (bar -nardz) see Orion. Barnard's loop [′bär·nərdz ‚lüp] (astronomy) A large emission nebula, about 10° by 140° in size, around the central portion of Orion, that consists of an expanding shell of gas that probably originated in a supernova.
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Barnard's loop