单词quasar
n.: 类星体
网络: 类星射电源；恒星；类星球体
类星体:
a large object like a star, that is far away and that shines very brightly and occasionally sends out strong radio signals
【天文学】类星体;类星射电源
复数：quasars
But scientists have now found a quasar that"s apparently churning out new stars in the absence of a host galaxy.
但是现在科学家们发现，一颗没有挂靠主星系的类星体显然在大量地制造出新恒星。
This quasar lit up the nearby gas, and although the quasar has since gone out, the light from it is still travelling to the object.
该类星体点亮了附近的气体，虽然该类星体已经耗尽，但光仍在该物体中旅行。
To test for problems of this kind, we substituted calibration data for the quasar data and analyzed them, pretending they were quasar data.
为了测试这类问题，我们使用校准过的数据取代类星体资讯，并把它们当做类星体的数据来分析。
A growing black hole, called a quasar, can be seen at the center of a faraway galaxy in this artist"s concept.
这是一颗正在成长的黑洞，称之为类星体，它位于一个遥远星系的中心。
In short, quasar activity, like star formation, was more vigorous in the distant past, a third sign that we live in relatively boring times.
简单地说，类星体的活动就像恒星的形成一样，在遥远的过去比今天更为猛烈，这是第三个指标，显示出我们生活在一个相对较为乏味的年代。
Bursts of intense star formation seem to last about 10 million to 20 million years around a typical quasar.
在一个典型的类星体周围，剧烈活动的恒星构造的爆发看起来会持续大约一两千万年。
The mirror, in this case, is a vast blob of gas about 70, 000 light-years away from the center of a spiral galaxy, where the quasar resides.
从这种情况看，这个大家伙实质上是来自70000光年之外的星系螺旋线（宇宙射线）的视像，也即是类星体所在之处。
The first one we looked for was a distortion of the wavelength scale against which the quasar spectral lines were measured.
我们第一个检查的是，测量类星体谱线时波长尺标的扭曲。
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。
As light from a quasar travels through space, it passes through clouds of gas that imprint absorption lines onto its spectrum.
当光从一个类星体划过太空，便会穿过将吸收线特征印在光谱上的气体云。