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1·That is what makes a quasar.

那就是，究竟是什么造就了一个类星体。

2·Which came first, the quasar or the galaxy?

类星体和星系哪一个形成在前呢？

3·Quasar is short for quasi-stellar radio source.

类星体是“类似恒星射电源”的缩写。

4·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。

5·The fuzzy object near top quasar image is the foreground galaxy.

模糊对象近顶部类星体形象就是前景的银河。

6·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。

7·This disk may be a rational model for the region of continuum radiation of quasar.

它是类星体主要辐射区域的一种合理模型。

8·A single quasar can be 1,000 times brighter than an entire galaxy of 100 billion stars.

一个类星体比1000亿个恒星组成的星系还要亮1000倍。

9·In our current picture, as every galaxy forms and collapses, it has a brief quasar phase.

在我们目前所掌握的星系建立和毁灭的图景中，存在着一个短暂的类星体阶段。

10·The quasar is known as SDSS J0013+1523 and located about 1.6 billion light-years from Earth.

这一类星体叫做SDSS J0013+1523，位于离地球约16亿光年处。