Which came first, the quasar or the galaxy?
类星体和星系哪一个形成在前呢？

This quasar was the only one without a known host galaxy.
这个类星体似乎无依无傍，不在任何一个星系当中。

It almost surely once had a quasar phase, astronomers say.
天文学家已经几乎确认, 它曾经存在一个类星体的阶段。

You could use the pool at the Al Quasar, which was enormous.
你还可以使用巨大的水池。

This ferocious heart of brilliant hot gas is called a quasar.
这种光亮, 炎热气体的剧烈的心脏地带被称作类星体。

Identifying the Lines and Determining the Redshift of a Quasar
确认类星体的光谱线及决定它的红移

Such mergers can generate a quasar phase of galactic evolution.
这些合并会在星系进化的过程中促成类星体阶段的到来。

The fuzzy object near top quasar image is the foreground galaxy.
靠近顶部类星体形象的模糊物体就是前景星系。

A radio galaxy is related to, but appears larger than, a quasar.
一个射电星系与之有关，但是它比类星体要大。

So the galaxy will keep growing until it envelops the quasar itself.
而且，这个星系会持续膨胀直到把这个类星体包裹在内。

Within a few million years, both quasar and galaxy will have merged.
在几百万年的时间里，类星体和伴星系将会合并在一起。

It is particularly important to study the absorption lines of quasar.
类星体吸收线的研究具有重要意义。

Einstein Cross Gravitational Lens, which is back lit by distant quasar.
爱因斯坦的引力透镜交叉，这是回到了遥远的类星体点燃。

Evidence Consistent with the Cosmological Interpretation of Quasar Redshifts
跟类星体红移宇宙学解释相符合的证据

The most powerful such object is a quasar, which emits a huge amount of radio, infrared, ultraviolet, Xray, and gammaray energy.
这种物体多数是一个发射巨大能量的类星体。