英语词汇“Gum 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	Gum Nebula
释义	Gum Nebula noun astronomy a large, almost circular, emission nebula in the constellation Vela and Puppis. Thought to be the remains of a supernova explosion 1 million years ago, it is estimated to lie 1300 light years away Word origin C20: discovered by C. S. Gum (1924–60), Australian astronomer
随便看	heterarchy heterauxesis hetero- hetero heteroatom heteroauxin heteroblastic heteroblasty heterocarpous heterocercal heterocercality heterocercy heterocercy heterochlamydeous heterochromatic heterochromatin heterochromatism heterochromosome heterochromous heterochronic heterochronism heterochronous heterochronous heterochrony heterochrony

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