Cobe is designed to see just the biggest structures, but astronomers would like to see much smaller hot spots as well, the seeds of local objects like clusters and superclusters of galaxies.
Cobe的设计只是为了观测最大的结构,但天文学家们也希望看到更小的热点,即星系团和超星系团等局部天体的种子。
Without it, galaxies and clusters of galaxies should fly apart.
如果没有,星系及星系群应该会分崩离析。
Four aspects of recent progress in radio studies on clusters of galaxies are reviewed.
我们从四个方面综述星系团的射电研究进展。
And so far gravitational lenses have mainly been observed around clusters of galaxies.
到目前为止,和引力透镜主要观察周围的星系团。
On larger scales, analogous halos are thought to keep clusters of galaxies bound together.
在更大的尺度上,有人相信,由于存在著类似的晕体,星系团才凝聚在一起。
At dense nodes of the cosmic web are clusters of galaxies, the largest objects in the universe.
宇宙网的密集节点就是星系群,宇宙中的最大天体。
They used an orbiting X-ray telescope called Chandra to study the way that clusters of galaxies grow.
他们用轨道X射线望远镜Chandra来研究银河星系的生长方式。
Each distorted galaxy gives scientists important clues about how galaxies and clusters of galaxies evolve.
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。
This is a model of the cosmic web. Clusters of galaxies are expected to develop at the intersections of the web.
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。
Claims to have spotted dark matter have so far rested mostly on evidence gathered by looking at collisions between clusters of galaxies.
那些宣称发现了暗物质的报告,还只是停留在对一些星群碰撞的观测上搜集到的证据。
Gravity can bend light, allowing huge clusters of galaxies to act as telescopes, and distorting images of background galaxies into elongated strands.
重力能使光线弯折,使巨大的星系团象望远镜一样,扭曲背景星系的图像,使之变得细长。
Previous studies with Hubble and NASA's Chandra X-ray Observatory found evidence of dark matter in entire clusters of galaxies such as the Bullet cluster.
此前由哈勃望远镜和NASA的钱德拉X射线望远镜联手,观测整个星系群(例如:Bullet Cluster)时曾找到过暗物质的存在证据。
Although many elliptical galaxies are in clusters of galaxies, NGC 1132 appears as a large, isolated galaxy toward the constellation of the River (Eridanus).
虽然有许多椭圆星系是存在于星系团之中,但位于波江座的NGC 1132似乎是一个巨大的孤立星系。
Other possible previous sightings include reports of collisions between clusters of galaxies that would appear to have separated dark matter from its visible counterpart.
之前的一些合理的见解,包括那些关于星系团碰撞的报道,都将暗物质和与它们对应的可见物质分离开来。
Dr Treu and his colleagues first identified the most promising places to look for Einstein rings-parts of the sky where two or more clusters of galaxies can be seen one behind the other.
Treu博士和他的同事第一次确认最有可能观测到爱因斯坦环的区域是天空中两个或更多星系丛重叠出现的区域。
They used an orbiting X-ray telescope called Chandra to study the way that clusters of galaxies grow. They discovered that this growth is stifled in exactly the way that dark-energy theory predicts.
通过“钱德拉”X射线绕轨太空望远镜对星系团的增长模式进行观测研究,他们发现,正如“暗能量”理论预测的一样,星系团的增长受到了抑制。
Astronomers also use massive clusters to study distant starbursts that occur when galaxies collide, igniting a flurry of star formation.
当星系碰撞,点燃了星体构造的活动时,天文学家也用团块星云来研究遥远的星体爆炸发生的情形。
The Coma cluster of galaxies pictured above is one of the densest clusters known - it contains thousands of galaxies.
这张照片中的后发星系团是已知最密集的星系团之一——包含了数千个星系。
The team suggests that this increased velocity dispersion is a result of a higher rate of interactions among galaxies than in other clusters.
研究团队说,这种不断增加的周转速度差异是由这里的星系之间,相对于其它星系团来说更快的作用速度产生的。
But it isn't entirely clear whether they have more in common with galaxies like our own or globular clusters, which astronomers generally do not think of as galaxies.
但是我们还不完全清楚,这些星体到底和我们的星系还是和球形星团更像。这种球形星团,就不被认为是星系。
This stronger gravity can fill the role of dark matter, holding together galaxies and clusters that would otherwise fly apart.
更为强劲的引力理论能够担负起暗物质的作用,引力会抓住星系和星团使它们不至于飞离而去。
Most galaxies in Coma and other clusters are ellipticals, while most galaxies outside of clusters are spirals.
后发星系团及其它星系团的许多星系是椭圆星系,而星系团外面的许多星系是旋涡星系。
Centaurus a is apparently the result of a collision of two otherwise normal galaxies resulting in a fantastic jumble of star clusters and imposing dark dust lanes.
半人马a可能是另两个正常星系碰撞的结果,碰撞产生了奇特的混杂星团和雄伟的暗尘带。
The bluish star clusters have formed in the streamers of debris pulled from the galaxies and at the site of their head-on collision.
偏蓝的星团在星系拉出的残片流以及迎面相撞的区域形成。
Observations by Hubble’s Advanced Camera for Surveys spotted 29 dwarf elliptical galaxies in the Perseus Cluster located 250 million light-years away and one of the closest galaxy clusters to Earth.
哈勃使用先进的观测镜头对英仙座中29个椭圆状矮星系进行了观察,这些星系属于距离地球最近的星系团之一,约2.5亿光年远。
Shara 's research interests include stellar collisions, novae and supernovae, and the populations of stars that inhabit star clusters and galaxies.
夏拉的研究兴趣包括恒星碰撞、新星与超新星,以及星团和星系内恒星的数目分布。
Smaller groups of stars called globular clusters often surround spiral galaxies.
称作球状星团的小型恒星团体经常环绕在旋涡星系周围。
Smaller groups of stars called globular clusters often surround spiral galaxies.
称作球状星团的小型恒星团体经常环绕在旋涡星系周围。
应用推荐