diffuse or emission nebula 弥漫星云
line emission nebula 谱线发射星云
gaseous emission nebula 气体发射星云
emission n nebula 发射星云
以上来源于: WordNet
N a type of nebula that emits visible radiation 发射星云 →see nebula
Emission nebula Sharpless 249 fills the field at the upper left.
发射星云沙普利斯249弥漫在图像的左上部。
Collisions between gas in the inner and outer regions are creating many hot blue stars and pink emission nebula.
内外层气体的碰撞产生了许多热的蓝色星体和粉红发射星云。
The red glow in the background results from IC 1396, a large emission nebula that houses the Elephant's Trunk Nebula.
背景的红色光芒来自于 IC 1396，这是一个大型发射星云，其中居住着象躯星云。
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