quasar

noun

1. 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

1. 类星体
   A quasar is an object far away in space that produces bright light and radio waves.

1. This research suggests that not all supermassive black holes were formed in the quasar era.
   这些研究暗示，并非所有超大质量黑洞都是在类星体时代形成。
2. Last September they put their plan into action when Jupiter passed close to the line of sight between Earth and a quasar.
   去年9月，当木星接近一条从某个类星体射向地球的光线路径时，他们便开始将计画付诸行动。
3. Quasar is short for quasi-stellar radio source.
   类星体是类似恒星射电源的缩写。
4. The latest work focuses on a type of star system that contains gas giants known as hot Jupiters. A radio galaxy is related to, but appears larger than, a quasar.
   最近的工作重点考查这一类型的星系：星系中具有类似木星一样的巨形气态行星.一个射电星系与之有关，但是它比类星体要大。
5. Relation between the Lyman-α Emission and Absorption Lines of Quasar Pairs
   类星体对的Lyman-α吸收线和发射线的相互关系
6. They do so by combining quasar spectra with numerical simulations of structure formation.
   他们的做法是将类星体光谱和结构形成的数值模拟结果结合在一起。
7. 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。
8. The redshift means that the quasars are very far away, more distant than the most distant galaxies we can see. The project is now approaching the halfway point in its goal of measuring one million galaxy and quasar redshifts.
   红移意味着类星体是非常非常遥远的天体，比我们观测到的最遥远的星体还要远。这个计画的目标是量取100万个星系与类星体的红移，现在已将达成目标的一半。
9. And it passes within twenty Au of a collapsing quasar.
   它还要穿过20倍重力的塌陷星。
10. 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。
11. After a while, this quasar has eaten all the available fuel and falls asleep until new gas falls into the center, waking it up.
    不一会儿，这颗类星体就吃掉所有唾手可得的燃料，然后开始沉睡，直到又有新的气体掉入中心，才把它唤醒。
12. The project is now approaching the halfway point in its goal of measuring one million galaxy and quasar redshifts.
    这个计画的目标是量取100万个星系与类星体的红移，现在已将达成目标的一半。
13. This quasar holds a black hole that's20 billion times more massive than the sun, and after gobbling down dust and gas it belches out as much energy as a thousand trillion suns.
    这颗类星体内含有一个质量为太阳200亿倍的黑洞，在吞吃了大量宇宙尘埃和气体之后，其内含的能量已经达到太阳的数千万亿倍。
14. The most powerful such object is a quasar, which emits a huge amount of radio, infrared, ultraviolet, X-ray, and gamma-ray energy.
    这种物体多数是一个发射巨大能量（包括射电、红外线、紫外线、X射线和伽玛射线在内）的类星体。
15. Powered by a massive black hole, the quasar suddenly turned off, leaving only galaxy and glowing voorwerp visible in telescopes at optical wavelengths.
    这种由超大黑洞提供能量的类星体熄灭后，在光学望远镜中只能见到星系和明亮的哈尼天体。
16. With tile aid of Doppler red shift and gravitational red shift, the property of quasar spectrum is analysed, and research on quasar is prospected.
    用多普勒红移和引力红移分析类星体的光谱特征及类星体的性质，并对类星体研究的前景作了展望。
17. Therefore, quasar absorption lines are important cosmological probes of formation and evolution of galaxies.
    对类星体吸收线的研究将有助于我们了解星系的形成和演化。
18. The Properties of quasar absorption lines are introduced and the new progress in study of QSO absorption lines is reviewed.
    本文介绍了类星体吸收线的性质并评述了近年来类星体吸收研究的最新进展。
19. Spectral mapping; observable effects on an accretion disk and the identification of a quasar spectral lines
    谱线成图观测；吸积盘的观测效应与类星体的光谱证认
20. An Early VLBI Observation of the Quasar 3C 286
    类星体3C286的一个早期VLBI观测结果
21. The identification of quasar spectral lines and general physics teaching
    类星体谱线证认与普通物理教学
22. Some Progresses on Quasar Research
    类星体研究的某些进展
23. The space distribution of QSOs is closely related with the early structure of the universe and the nature of the redshift. The homogeneity and the clustering of the quasar distribution and the quasar-galaxy associations are discussed.
    类星体的空间分布与宇宙早期结构和红移的本质有着密切的联系，本文讨论了类星体分布的均匀性、成团性和与星系的成协性。
24. Analysis of property of quasar spectrum
    类星体光谱特征分析
25. 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。
26. The serendipitous discoveries of quasar and pulsar are closely related to the technology of aperture synthesis radio telescope.
    类星体、脉冲星的意外发现都与综合孔径望远镜技术紧密联系。
27. Two focuses of relativistic astrophysics, observable effects on an accretion disk and the identification of a quasar spectral lines are discussed.
    讨论了相对论天体物理中的两个热点问题：黑洞吸积盘的观测效应和类星体光谱证认；
28. Correlation Studies Between Galaxies and Quasar Candidates in Southern Galactic Pole
    南银极区星系与类星体候选者的相关性研究
29. Gravitational energy is the energy source of many astrophysical systems in the universe, such as quasar and X-ray binaries, etc, and accretion is an effective mechanism of releasing gravitational energy.
    类星体和X射线双星等很多宇宙中的天体系统的能量都来源于引力能，而吸积正是释放引力能的一种有效机制。
30. It brought on some great discoveries in astronomy, such as quasar, microwave background radiation etc. In radio astronomy, interferometry is an important technique which is still under developing.
    二战以后，射电天文学得到了蓬勃发展，导致了类星体、微波背景辐射等一系列重大发现。在射电天文学中，干涉测量技术始终是发展的主要方向之一。

noun

1. a starlike object that may send out radio waves and other forms of energy

   Synonym:    quasi-stellar radio source