They do so by combining quasar spectra with numerical simulations of structure formation.

Quasars are optical and sources of enormous intensity, apparently at great distances from the earth.

类星体是极强的光源和射电源, 看上去距地球极其遥远.

For many years, Treister says, astronomers doubted that obscured quasars were very common.

特雷斯特表示, 多年来天文学家们一直不相信被遮挡的类星体是很普遍的.

A collection of Hubble space telescope images shows galaxies that host quasars.

一组哈勃拍摄到的恒星状球体(类星体)的宿主星系的图片.

The quasars cannot shine for longer than a few million years with their present luminosity.

在几百万年以后,类星体将不可能具有他们今天那样的发光度.

Energy is injected into space by quasars in the form of fast, nonrelativistic particles.

能量是以快速非相对论性粒子的形式由类星体注入空间的.

The discovery of quasars refuted the Steady State theory.

类星体的发现否定了稳恒态理论.

Quasars or dwarf galaxies would scatter the elements more unevenly.

类星体或矮星系可使这些元素散布得更不平均.

Since the light arriving from the quasars began its journey billions of years ago.

来自类星体的光从数十亿年前就开始了它们的旅程,所以在宇宙诞生初期.

This paper presents a novel method for redshift determination of quasars.

给出了一种新的类星体光谱的红移测量方法.

The rumours were quickly quashed.

流言很快被制止了。

Troops were displaying an obvious reluctance to get involved in quashing demonstrations.

部队显然并不愿意参与镇压示威游行。

The decision was quashed by the House of Lords.

这个决议被上议院推翻了。

The government immediately moved to quash the revolt.

政府立即采取行动平定叛乱。

I was about to learn how to quash hunger.

我要面对的就是如何驱走饥饿.

The authorities acted quickly to quash the student rebellion, sending in tanks to cow the demonstrators.

有关当局迅速采取行动,平息叛乱的学生, 派出坦克牛的示威者.

Unlike the most effective available, the new drug doesn't quash appetite.

与目前最有效的药物不同, 这种新药不影响正常食欲.

The children were behind bars for nearly six months till the charge was quashed.

在罪名撤销之前,孩子被关在监狱长达六个月.

The judge's verdict was quashed and their prison sentences set aside.

法官的裁决被撤消了,他们的入狱判决被驳回了.

They quashed the indictment against the manager.

他们撤销了对经理的起诉.

I could have this indictment quashed in no time.

我能够把这场控诉立即平息下去的.