双螺旋星云是一个气态星云，靠近银河系中心。
The Double Helix Nebula is a gaseous nebula near the center of our galaxy.
M101还是罗斯爵士用19世纪的大型望远镜，“帕森镇的巨兽”，所发现的最早的螺旋星云之一。
M101 was also one of the original spiral nebulae observed by Lord Rosse's large 19th century telescope, the Leviathan of Parsontown.
当你用千里镜不雅测天空，你瞥见很多与图示23中边沿朝前的完善平衡的螺旋星云相仿或大致相是的星云。
When you look up into the heavens with a telescope, you see many nebulae whelloch are like, or approximately like, the perfectly balanced spiral nebula whelloch you see edgewise in Fig. 23.
在查尔斯·梅西方尔目录第51条列出的美国宇航局获得的图像表现的也许是最初的螺旋星云，它也被编为新总表（NGC）5194。
This NASA image obtained shows the 51st entry in Charles Messier's catalogue, perhaps the original spiral nebula, also catalogued as NGC 5194.
心与灵星云离地球有大约6千光年的距离，形成一个其大无比的星辰制造场，构成了我们银河系英仙座螺旋星云的部分螺旋腕。
Located about 6, 000 light-years from Earth, the Heart and Soul nebulae form a vast star-forming complex that makes up part of the Perseus spiral arm of our Milky Way galaxy.
如果天文学家能够观测到十亿光年外的螺旋星云的金属丰度梯度，我们就可以知道亿万年之前的梯度有多大，因此也就可以知道它是如何随时间变化的。
If astronomers could observe metallicity gradients in spiral galaxies billions of light-years away, we could see how steep the gradients were billions of years ago and thus how they change over time.
蜘蛛星云螺旋形的臂展围绕着NGC 2070这个含有一些我们所知最亮、最大的恒星的星团，图中右边蓝色的便是。
The spindly arms of the Tarantula nebula surround NGC 2070, a star cluster that contains some of the brightest, most massive stars known, visible in blue on the right.
该星系的特点是亮白，其球形内核周围环绕着由星系螺旋结构形成的厚厚的尘埃带。 从地球上看去，星云倾斜得几乎侧立。
The galaxy's hallmark is a brilliant white, bulbous core encircled by the thick dust lanes comprising the spiral structure of the galaxy.
天体中，从众多的硕大的旋涡状星云，到坠落于地球上的微小的陨砂、陨尘，普遍存在着螺旋状的结构形态。
There are commonly the helical structures in the celestial body from many gigantic whirl nebulae to small meteoric stone and dust falling to the Earth.
NGC 2841目前相对于其他灯火通明的螺旋发射星云有一个较低的恒星形成比率。
NGC 2841 currently has a relatively low star formation rate compared to other spirals that are ablaze with emission nebulae.
辐射线的特征似乎说明了螺旋状星云本身的古老；历经了行星状星云的演化过程。
The spoke features seem to indicate that the Helix Nebula is itself an old and evolved planetary nebula.
蜘蛛星云螺旋形的臂展围绕着NGC2070这个含有一些我们所知最亮、最大的恒星的星团，图中右边蓝色的便是。
The spindly arms of the Tarantula nebula surround NGC 2070, a star cluster that contains some of the brightest, most massive stars known, visible in blue on the right.
蜘蛛星云螺旋形的臂展围绕着NGC2070这个含有一些我们所知最亮、最大的恒星的星团，图中右边蓝色的便是。
The spindly arms of the Tarantula nebula surround NGC 2070, a star cluster that contains some of the brightest, most massive stars known, visible in blue on the right.
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