很明确，他们发现了一个星系群。
获奖的是被称为Arp 274的一个星系群。
Abell 2667星系群那儿出什么事了？
如果没有，星系及星系群应该会分崩离析。
Without it, galaxies and clusters of galaxies should fly apart.
它是个位于英仙座星系群中心的活动星系。
It is an active galaxy lying at the centre of the Perseus Cluster of galaxies.
这是一幅被探测到的最遥远星系群的合成图像。
This is a composite image of the most distant galaxy cluster yet detected.
那里的星际气体已集中在星系群周围形成了云层。
What's happening out there is that intergalactic gas has concentrated around a cluster of galaxies, forming a cloud.
宇宙网的密集节点就是星系群，宇宙中的最大天体。
At dense nodes of the cosmic web are clusters of galaxies, the largest objects in the universe.
星系群中的常态物质大概是由热气团和星团所组成的。
Normal matter in galaxy clusters is mostly in the form of hot gas and stars.
希克森致密星系群31的合成图显示了4个相互混合的星系。
The composite image of Hickson Compact Group 31 shows the four galaxies mixing it up.
最大的星系群距地球70亿光年，相当于800万亿个太阳。
The massive cluster is located 7 billion light-years from Earth and weighs as much as 800 trillion SUNS.
这是宇宙网的一个模型。星系群被认为在网的交叉点处成长。
This is a model of the cosmic web. Clusters of galaxies are expected to develop at the intersections of the web.
它的中心是由3个年轻恒星组成的星系群，其亮度超过太阳千倍。
At its heart is a cluster of three deeply embedded young stars, which are each several thousand times brighter than the sun.
在中间上部是NGC 7319和被称为斯蒂芬五重星系的致密星系群。
At top center is NGC 7319 and the compact galaxy group known as Stephan's Quintet.
天文学家也利用超大星系群的数量和规模对宇宙形成方式进行理论解释。
The number and size of super-massive galaxy clusters also will be used to refine theoretical understanding of how the universe formed.
每个扭曲、瓦解的星系都向科学家们揭示了星系以及星系群进化的奥秘。
Each distorted galaxy gives scientists important clues about how galaxies and clusters of galaxies evolve.
引力逐渐把密集的大区域星云气体拉拢，形成那些巨大、漩涡状结构的所谓星系群。
The force of gravity starts to pull together huge regions of relatively dense cosmic gas, forming the vast, swirling collections of stars we call galaxies.
还有一些建议认为这种对这些星系群的拖拉可能来自另外一个共有的宇宙。
There are also Suggestions that the pull might be from another universe altogether.
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。
Observational properties of the largest Local Group spiral M31(Andromeda galaxy) are presented.
在本星系群或者宇宙的其他地方，矮星系都多于形状规则的大型星系同辈。
In the Local Group, as elsewhere in the Universe, however, dwarf galaxies outnumber their larger, shapelier cousins.
该希克森星系群的第四名成员是位于影像左上角的漩涡星系NGC3185。
The spiral in the upper left corner is NGC 3185, the 4th member of the Hickson group.
总的来说，含有BRG的星系群倾向于含有更多的明亮星系，在周转速度上的差异也更大。
As a whole, the groups with BRGs tended to have more galaxies which were more luminous, and had a greater variety of velocities.
左边的合成图像是描述星系群Abell 85的，它距离地球7亿4千万光年。
The composite image on the left is of the galaxy cluster Abell 85, located about 740 million light years from Earth.
研究者们现在认为很多黑洞都会发出这种可以影响星系甚至是星系群的表现方式。
Researchers now think that many black holes may produce such waves, which can affect the way galaxies, and even galaxy clusters, behave.
当一个星系艰难的穿过星系群间空隙时，气体就被剥离出来凝聚成为新恒星的内核。
As the galaxy plows through the intercluster medium, gas is stripped out and condenses to form bright new knots of stars.
有一个假设认为NGC 1132是由一个小星系群进行一系列星系融合之后的产物。
One progenitor hypothesis is that NGC 1132 is the result of a series of galaxy mergers in what once was a small group of galaxies.
但是这些星系，也就是希克森致密星系群31的成员，距离我们相对较近，只有1.66亿光年。
But these galaxies, members of Hickson Compact Group 31, are relatively nearby, only 166 million light-years away.
天文学家无论凝视致密星系群中的哪一个角落，都会大学大批的年轻星团以及充溢着恒星形成的区域。
Everywhere the astronomers looked in this compact group they found batches of infant star clusters and regions brimming with star birth.
以后对于这个星系群的研究需要被用来解释关于基于用X射线数据和引力透镜估算质量的不协调问题。
Further studies of this cluster are needed to explain the lack of agreement, between mass estimates based on the X-ray data and on the gravitational lensing.
以后对于这个星系群的研究需要被用来解释关于基于用X射线数据和引力透镜估算质量的不协调问题。
Further studies of this cluster are needed to explain the lack of agreement, between mass estimates based on the X-ray data and on the gravitational lensing.
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