星系往往聚集形成星团。
如果NGC 4258的中心是一个星团，恒星之间的距离会非常近，以至于在很久以前单个恒星之间的碰撞就会把星团撕裂。
If the center of NGC 4258 were a star cluster, the stars would be so closely spaced that collisions between individual stars would have long ago torn the cluster apart.
星团由大量同时形成的恒星构成。
Stellarclusters are composed of many stars that develop at the same time.
球状星团曾经统治着银河系。
球状星团中有很多宇宙中最古老的恒星。
Globular clusters have some of the oldest stars in the universe.
该星团嵌在一个约110光年大的星云内。
The star cluster is embedded in a nebula, which spans some 110 light-years.
该程序管理着星团探测器所返回的所有样品。
The program manages all the samples coming back from the Stardust probe.
当撞击发生时，星团中的暗物质也发生碰撞。
When the impact happened, the dark matter in the clusters also collided.
星团中最明亮的微红色恒星是远古的红巨星。
The brightest reddish stars in the cluster are ancient red giants.
望远镜照片展示这个壮观星团的数十万恒星。
Telescopic views reveal the spectacular cluster's hundreds of thousands of stars.
它展现了向着星团中心迅速增大的恒星密度。
It shows the dramatic increase in density of stars toward the cluster's center.
这个疏散星团尤其古老，据测算有十亿岁了。
This open cluster is particularly ancient, estimated to be nearly one billion years old.
这颗远距双星有可能是在星团解体时被捕获的。
The origin of wide binaries may be capture during cluster dissolution.
结果表明星团将不断成长为一个现代的星系团。
The results indicate the cluster will keep growing into a modern city of galaxies.
御夫座北部有大量明亮的星团和星云。
Brightclusters and nebulae abound in the northern constellation of Auriga.
因此，研究球状星团可以向我们揭示银河系的历史。
Studyingglobular clusters therefore tells us about the history of our galaxy.
这个星系看起来这么好是因为它藏在一个星团后面。
The galaxy looks so good because it lies behind a galaxy cluster.
这个‘指环’可能是在两个星团发生碰撞时形成的。
The ring may have been formed when two galactic clusters collided.
不同的植物描绘出恒星、球状星团，甚至还有星云。
Different plants depict stars, globular clusters, and even nebulas.
星团中演化了的红巨星、蓝巨星显现出黄、蓝色调。
The cluster's evolved red and blue giant stars show up in yellowish and blue tints.
梅博博士和他的团队正处在第二个星团的研究进程中。
Dr Meibom and his team are, however, in the process of studying a second cluster.
一个棒球明星团将要到海外军事基地作巡回表演。
A group of baseball stars will tour overseas military bases.
疏散星团，通常来讲，结构松散并且在几亿年中持续分散。
Open clusters, in general, are loosely bound and they disperse over hundreds of millions of years.
因此，研究球状星团可以向我们揭示银河系的历史。
Studying globular clusters therefore tells us about the history of our galaxy.
地球生物只能对着那儿致密的星团和大质量气体尘埃望洋兴叹。
Earthlings can only wonder at the dense star clusters and massive gas and dust clouds that reside there.
炽热的星团内气体是粉红色，蓝色覆盖层绘制了暗物质的位置。
Hot intracluster gas is shown in pink, and the blue overlay maps the location of dark matter.
罗曼：“我觉得那张图片最让我印象深刻的是球状星团的中心。”
NANCY GRACE ROMAN: "I think the image that to me was most striking was the center of a globular cluster."
之前的研究已经显示这是离我们最近的被称之为“巨星团”的天体。
Previous studies have shown that this is the closest of the so-called super star clusters.
在著名的昴宿星团里，星光正缓慢地摧毁这些游荡的气体和尘埃的云团。
In the well known Pleiades star cluster, starlight is slowly destroying this wandering cloud of gas and dust.
气体星团推动原行星向外的推力可能在某些时候强于那些使它向内的推力。
Gas clusters that push the protoplanet outward can sometimes exert stronger forces than those that push inward.
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