星体燃烧了核内的氦，吞并了行星或伴星吗？
Did the star ignite helium at the core, swallow a planet, or swallow a companion star?
同时，在星体核中进行的过于强烈的核反应也致使了{+7}锂元素的消失。
The lack of {+ 7} Li, meanwhile, has been blamed on over-hungry nuclear reactions in stellar cores.
与铁陨星存在许多联系，后者通常呈淡红色，被认为是更大星体的核碎片。
These have been associated with iron meteorites, are usually reddish and thought to be fragments of the cores of much larger objects.
理查德·拉尔森，一个耶鲁的天文学家，他研究星系核中的恒星结构，他说，星系在整个生命史中，可能会经历好几个类星体的阶段。
Richard Larson, a Yale astronomer who studies star formation in galactic nuclei, says galaxies can go through several quasar phases during their lives.
甚么是类星体和活跃星系核？
本文结果可用于类星体和星系核吸积盘。
The result of this paper may be applied to the accretion discs in quasars and AGN.
类星体和活动星系核结构的变化及其中的视超光速运动，被认为是用VLBI方法所揭示的最重大的天体物理现象之一。
The structural variations and superluminal motion within some QSSs and AGNs are considered as one of the most important astrophysical phenomena revealed by VLBI.
我的研究兴趣主要包括类星体与活动星系核、超大质量黑洞以及它们的吸积物理。
My research interests mainly include quasars and active galactic nuclei (AGNs), supermassive black holes and their accretion physics.
我的研究兴趣主要包括类星体与活动星系核、超大质量黑洞以及它们的吸积物理。
My research interests mainly include quasars and active galactic nuclei (AGNs), supermassive black holes and their accretion physics.
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