planetary nebulae 行星状星云
Reflection Nebulae 尘埃星云
Emission Nebulae 气体星云 ; 发射星云
Dark Nebulae 黑暗星云
Strange Nebulae 奇异的星云
The nebulae of confusion 走出名为混乱的星云
spiral nebulae 涡状星云
以上来源于: WordNet
N-COUNT A nebula is a cloud of dust and gas in space. New stars are produced from nebulae. 星云 [oft in names]
L Reflection nebulae have no light of their own.
l还有一种星云叫反射星云,它们本身并不发光。
Nowadays, many nebulae are known to be galaxies instead.
我们现在已经熟知的许多星系过去也被称为星云。
Hubble said the light that appeared to come from nebulae really came from stars near the nebulae.
VOA: special.2009.04.29
His research involved a major question astronomers could not answer: What are nebulae?
VOA: special.2009.04.29
The astronomical term "nebulae", Hubble explained, had come down through the centuries.
VOA: special.2009.04.29
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