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1、

Note that the shape of the normal-looking spiral galaxy has changed.

请注意，形状正常前瞻性的螺旋星系发生了变化。

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2、

On Gaseous Solitons of A Two Component Disks and An Explanation to Spiral Structure of Galaxy and The Titius-Bode Rule

气盘孤立波及其对星系旋涡结构和Titius-Bode定则的说明

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3、

Explanation: Big, beautiful spiral galaxy NGC 7331 is often an analog to our own Milky Way.

说明: 巨大美丽的螺旋星系NGC7331经常被认为与我们自己的银河类似.

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4、

Explanation: This bright, beautiful spiral galaxy is Messier 64, sometimes known as the Black Eye Galaxy.

说明: 这个既明亮又美丽的螺旋星系名为梅西叶64(M64), 有时候也被称为是黑眼圈星系.

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5、

Astronomers measured the speed of different stars in spiral galaxy, drew up "revolving curves" to describe the relationship between the speed and their distance from the centre of the galaxy.

天文学家测量了旋涡星系中不同恒星的速度，并且由此画出了描述速度和它们到星系中心距离之间关系的“旋转曲线”。

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6、

Grand spiral galaxy NGC 1232, captured in detail by one of the new Very Large Telescopes, is a good example.

壮丽的螺旋星系NGC1232就是一个很好的例子。上面这张NGC1232影像，是由一部极大望远镜所拍摄的，影像中可以清楚地看见这个星系壮丽的漩涡臂。

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7、

The 100 billion stars of this galaxy are chiefly located in two spiral arms that extend from the nucleus.

这个星系所属的1000亿颗恒星主要分布在从核心伸展出来的两条旋臂上。

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8、

Supernova remnants and spiral structure of the galaxy

超新星遗迹与银河系旋臂结构

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9、

A beautiful spiral galaxy with its stars contained in large arms sweeping out from a bright core.

一个美丽的螺旋星系，恒星群从明亮核心中扫过。

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10、

Clouds of stars and glowing gas, with patches of darkening dust, mark the slow-changing spiral patterns of the Galaxy disk.

点缀着暗淡尘埃的团团恒星和发光星云，标记着银河系缓慢变化的旋涡外形。

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11、

A Note on The Asymptotic Density-Potential Relation of The Spiral Galaxy With Finite Disk Thickness

关于有限厚度旋涡星系中密度-引力势渐近关系的一个注记

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12、

The Maintenance of the Spiral Arms in a Spiral Galaxy

旋涡星系中旋臂的维持

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13、

In looking at the Carina Nebula we are seeing the genesis of star making as it commonly occurs along the dense spiral arms of a galaxy.

通过对船底座星云的观察，我们看到了通常沿银河密集的旋臂所诞生恒星的起源。

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14、

On the brink of a new year, NASA's Hubble Space Telescope snapped a swirling mass of star dust and gas, known as spiral galaxy ESO 021-G004, and the resulting image is so gob-smacking, it's an instant reminder of how tiny and fragile our home really is.

新年伊始，NASA的哈勃太空望远镜拍到了一团旋转的星尘和气体，被称为螺旋星系ESO021-G004，捕捉到的图像令人震惊，提醒着我们地球其实是多么渺小和脆弱。

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15、

NGC 1512 is a barred spiral galaxy in the southern constellation of Horologium.

NGC1512是一个处在南天时钟座的棒旋星系.

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16、

Explanation: This impressive color composite shows spiral galaxy M 81 across the electromagnetic spectrum.

说明: 这张令人影像深刻的彩色合成影像显示了通过了电磁波频普拍摄到的旋涡星系M81.

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17、

The mystery arises when one considers how a spiral galaxy rotates.

当人们考虑旋涡星系是如何转动的时候难题就来了.

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18、

Far out in the uncharted backwaters of the unfashionable end of the western spiral arm of the Galaxy lies a small unregarded yellow sun.

在古老银河系的螺旋状西臂末端，任何地图都还没标示过的蛮荒地带，有个丝毫不引人注目的小小黄色恒星。

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19、

M81 is a "grand design" spiral galaxy, which means its elegant arms curl all the way down into its center.

编辑是一个“宏伟设计”的螺旋星系，这意味着它幽雅武器袅袅一路下跌到其中心。

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20、

This impressively sharp color image shows intense star forming regions at the ends of the bar and along the spiral arms, and details of dust lanes cutting across the galaxy's bright core.

在这张令人难忘的高清彩色图片中，我们可以看到位于棒端和旋臂上那些密集的恒星诞生区，以及横穿星系中央亮核的清晰尘埃带。

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21、

Explanation: Why are there faint rings around this spiral galaxy?

说明：这些昏暗的环为什麽都绕著这个星系呢？

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22、

Supporting evidence includes the dark dust lanes characteristic of a spiral galaxy, and faint swirls of stars and gas visible in this wide and deep image.

支持这一观点的证据在这张广角深空照片中清晰可辨，包括旋涡星系特有的暗尘埃带，以及暗淡的恒星和气体漩涡。

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23、

Our galaxy, the Milky way, is a spiral.

我们的银河系是个旋涡星系。

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24、

Andromeda, a large spiral galaxy much like our Milky way galaxy, is relatively nearby and can be easily seen with binoculars in the autumn sky.

仙女座大星云是类似银河系的大型旋涡星系，距离我们相对较近，在秋季的星空下，用双筒望远镜就可以很容易地看到它。

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25、

The Milky way is a spiral galaxy; that is, if viewed from afar it would resemble a spiral.

银河是螺旋星系；那是如果观看从它在远处会类似螺旋。

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26、

Therefore, our Milky Way should be morphologically catalogued as a barred spiral galaxy instead of a normal spiral one.

最近十几年来，银河系已被确认为是一个棒旋星系，而不是无棒结构的普通旋涡星系。

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This line of reasoning underlies an exciting new theory of spiral-galaxy structure.

这一推理思路构成了一种激动人心的有关螺旋形星系结构的新理论的基础.

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28、

Observational properties of the largest Local Group spiral M31 ( Andromeda galaxy) are presented.

介绍了本星系群中最大的旋涡星系M31（仙女星系）的基本观测性质。

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