科研团队研究“长城”的另一种方法是观察不同类型星系的排列。
Another way the team examined the Great Wall was by looking at the arrangement of different types of galaxies.
极环星系是种稀有的星系类型，它们有着几乎和银盘平面垂直，呈环形公转的大量的恒星、气体和星尘。
A rare galaxy type, polar ring galaxies have a substantial population of stars, gas, and dust orbiting in rings nearly perpendicular to the plane of the galactic disk.
作为一个小而不规则的星系，小麦哲伦星系呈现出早期宇宙星系的普遍类型。
A small, irregular galaxy, the SMC represents a type of galaxy more common in the early Universe.
本论文认为，不仅是新生的行星系统，还有许多已被检测到的行星系统，都是‘满’的，这种类型的结构很常见。
This paper argues that not only the newest system, but also many of the previously detected systems, are 'full' and therefore that this arrangement is common.
我们还不知道霍格发现的这个东西是如何形成的。以往有相似的星系被鉴定出来，并都被归类为环形星系的一种类型。
How Hoag's object formed remains unknown, although similar objects have been identified and collectively labeled as a form of ring galaxy.
最近的工作重点考查这一类型的星系：星系中具有类似木星一样的巨形气态行星。
The latest work focuses on a type of star system that contains gas giants known as hot Jupiters.
在这片美丽的星野中，还有另外一些其它类型的背景星系，右下角的是邻近星系ngc 4562。
An assortment of other background galaxies is included in the pretty field of view, with neighboring galaxy NGC 4562 at the lower right.
该图片花了10天时间，由342张经过多次曝光后的照片迭合而成，我们可以从中看到1500多个不同类型的星系。
The image is composed of 342 different exposures taken over 10 days, and features some 1, 500 different galaxies.
该图片花了10天时间，由342张经过多次曝光后的照片迭合而成，我们可以从中看到1500多个不同类型的星系。
The image is composed of 342 different exposures taken over 10 days, and features some 1, 500 different galaxies.
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