spiral galaxy

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。

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。

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？

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。

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

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。

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。

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。

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。

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。

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”。

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。

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

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。

Supernova remnants and spiral structure of the galaxy

超新星遗迹与银河系旋臂结构

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。

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。

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。

The Maintenance of the Spiral Arms in a Spiral Galaxy

旋涡星系中旋臂的维持