星云的英文

星云的英文：
nebula

• The element hydrogen comprises 90% of the matter in gaseous nebulae
  元素氢占气体星云物质的90%。
• galactic nebulas are masses of diffuse material within our galaxy
  银河星云是我们星系中的一团团弥散物。
• For the Galaxy and the andromeda nubula, they do not form a pair of galaxies completely isolated from all others
  对银河系和仙女座星云来说，它们并不构成与所有其他星系完全孤立的一对星系。
• These sources are generally viewed in projection against radio nebulae representing the remnants of supernova outbursts
  这类源一般都投影在超星爆发残骸的射电星云上。
• The spiral nebulae are impressive objects.
  旋涡星云是迷人的天体。
• The spiral nebulae are impressive objects
  旋涡星云是迷人的天体。
• You can see nebulae in the clear summer sky
  在晴朗的夏夜可以看到天上的星云。
• The element hydrogen comprises 90% of the matter in gaseous nebulae.
  元素氢占气体星云物质的90%。
• The remnant nebular gas pervades the interplanetary space
  星云的残余气体充斥星际空间。
• Good spectra of the spiral nebulas are difficult to obtain because of their extreme faintness
  旋涡星云因为非常暗，难以得到它们的清晰的光谱。

• The spiral nebulae are impressive objects.
  旋涡星云是迷人的天体。
• The element hydrogen comprises 90% of the matter in gaseous nebulae
  元素氢占气体星云物质的90%。
• The element hydrogen comprises 90% of the matter in gaseous nebulae.
  元素氢占气体星云物质的90%。
• galactic nebulas are masses of diffuse material within our galaxy
  银河星云是我们星系中的一团团弥散物。
• Good spectra of the spiral nebulas are difficult to obtain because of their extreme faintness
  旋涡星云因为非常暗，难以得到它们的清晰的光谱。