单词spiral nebula
n.: 涡状星云
网络: 旋涡星云；螺旋星云；旋涡状星云
涡状星云
Perhaps the original spiral nebula, M51 is also known as the Whirlpool Galaxy.
M51又称“涡状星系”，极有可能是发现最早的一个螺旋星云。
I think you are so charming that i can"t help sinking into spiral nebula of felling.
我认为你太迷人了，我忍不住沉浸在感觉的星云里面。
Perhaps the original spiral nebula, M51 is a large galaxy, over 60, 000 light-years across, with a readily apparent spiral structure.
也许旋涡星系M51原本是一个巨大的星系，直径超过6万光年，有显尔易见的旋涡结构。
The nebula continues to condense and becomes in time a spiral nebula.
星云不断浓缩，会适时形成一个螺旋形星云。
Solar system originated as a result of double spiral nebula synthesis
太阳系起源双螺旋星云复合成因说