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
cluster of nebulae 星系团 ; 星云团
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。
These nebulae can be seen with binoculars from a dark location.
你可以在较暗的地区用双筒望远镜看到这两个星云。
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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