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.
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。
The star cluster is embedded in a nebula, which spans some 110 light-years.
该星团嵌在一个约110光年大的星云内。
Can you find, in the above image, a comet, a spiral galaxy, an open star cluster, and a supernova remnant?
在上面图中，你能找到：一彗星，一旋涡星系，一疏散星团和一超新星遗迹吗？
They stumbled on it in a star cluster called Westerlund 1, which is located 16,000 light-years from Earth.
他们在一个叫韦斯特伦德1号星团（距离地球16000光年）无意中发现这颗磁星。
They stumbled on it in a star cluster called Westerlund 1, which is located 16,000 light-years from Earth.
他们是在Westerlund1星团中偶然发现磁星的，该星团距离地球16000光年。
A galaxy or a star cluster consists mainly of the stars.
星系和星团主要由恒星组成。
In September, this star cluster is up late at night, or before dawn.
在九月，这组星星在深夜或黎明前升起。
At the upper right lies NGC 7635 (the Bubble Nebula) and star cluster M52.
影像右上角有称为泡泡星云的NGC 7635和星团m52。
The giant was identified at the centre of a star cluster in the Tarantula Nebula.
这颗巨大的恒星位于大麦哲伦星云的一个星团的中心。
About a third of the way along this line, you'll find a hazy object, an open star cluster, called M50.
沿着此线大约三分之一处，你会发现一个模糊的物体，它的名称为M 50，是个散开星团。
The Arches is the densest star cluster in our Milky Way galaxy and resides in our galaxy's crowded core.
拱门星团是我们的星系中最密集的恒星群，它位于银河系拥挤的中心区。
In the well known Pleiades star cluster, starlight is slowly destroying this wandering cloud of gas and dust.
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。
Based on some traditional algorithms, this thesis provides a weighted star cluster algorithm to learn user profile.
对已有算法进行改进，提出了一种加权的星型聚类算法以学习用户的兴趣特征。
This NASA image shows starlight which is slowly destroying a wandering cloud of gas and dust in the Pleiades star cluster.
美国宇航局提供的这张图片显示出昂宿星团里正在缓慢破坏一个流浪尘气云的星光。
Featured in this sharp telescopic image, globular star cluster Omega Centauri (NGC 5139) is some 15, 000 light-years away.
这幅高清望远镜图像显示的是距地15 000光年的半人马座欧米伽球状星团（NGC 5139）。
With a long exposure from a dark location, though, the dust cloud surrounding the Pleiades star cluster becomes very evident.
在一个光害小的地区，进行长时间曝光，这样围绕着昴宿星团的尘埃就显现出来了。
An open star cluster in the constellation Taurus, consisting of several hundred stars, of which six are visible to the naked eye.
昴星团金牛星座中的疏散星团，由几百颗恒星组成，其中六颗星用肉眼可看到。
An open star cluster in the constellation Taurus, consisting of several hundred stars, of which six are visible to the naked eye.
昴星团：金牛星座中的疏散星团，由几百颗恒星组成，其中六颗星用肉眼可看到。
Of course, the clouds are sculpted by stellar winds and radiation from massive hot stars in the nebula's newborn star cluster, Melotte 15.
当然，这些云气是由恒星风和辐射塑造成的，这些恒星风和辐射来自于星云新诞生的梅洛特15号星团的大量炽热恒星。
On the basis of this, we apply the population synthesis method based on star cluster integrated spectra to some BCGs optical spectra.
在此基础上，我们运用恒星团星族合成方法，分析了一些蓝致密星系的光学谱。
Perhaps the most famous star cluster on the sky, the bright stars of the Pleiades can be seen without binoculars from even the depths of a light-polluted city.
作为宇宙中也许是最出名的星团，甚至在一个光污染的都市里都能不借助望远镜而观测到其中明亮的星星。
The spindly arms of the Tarantula nebula surround NGC 2070, a star cluster that contains some of the brightest, most massive stars known, visible in blue on the right.
蜘蛛星云螺旋形的臂展围绕着NGC 2070这个含有一些我们所知最亮、最大的恒星的星团，图中右边蓝色的便是。
The spindly arms of the Tarantula nebula surround NGC 2070, a star cluster that contains some of the brightest, most massive stars known, visible in blue on the right.
蜘蛛星云螺旋形的臂展围绕着NGC2070这个含有一些我们所知最亮、最大的恒星的星团，图中右边蓝色的便是。
Brighter stars peering through the auroral glow at the left form the recognizable northern asterism, the Big Dipper. A more compact Pleiades star cluster shines at the far right.
在左面穿透北极光依然闪亮的是著名的北方星座——北斗七星，在右面较远地方闪耀的是更紧凑的昴宿星团。
The Pleiades is an open star cluster, which means that while its stars are bound loosely together right now, each star will eventually go its own way within a few hundred million years.
昴宿星团是个开放性的星团，这意味着虽然它内部的恒星目前松散地聚在一起，但是在未来数百万年的时间内，每颗恒星最终依照自己的轨道运行。
A number of stars have possessed names since antiquity - Aldebaran, for instance, means "the follower" in Arabic, as it seems to follow the Pleiades, or Seven Sisters star cluster, across the sky.
很多星星拥有古名称——例如Aldebaran(毕宿五)，在阿拉伯语中意为“追随者”，因为它看起来就像在天空中追随着昴星团，或者说七姐妹星团似的。
A number of stars have possessed names since antiquity - Aldebaran, for instance, means "the follower" in Arabic, as it seems to follow the Pleiades, or Seven Sisters star cluster, across the sky.
很多星星拥有古名称——例如Aldebaran(毕宿五)，在阿拉伯语中意为“追随者”，因为它看起来就像在天空中追随着昴星团，或者说七姐妹星团似的。
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