Structure and dynamics of galaxies are reviewed from the point of galactic formation and evolution scenario.
从星系形成和演化的角度出发，对星系结构和动力学进行粗略的评述。
Mergers cause gases to flow towards the galactic center, which can trigger phenomena like rapid star formation.
合并导致气体流向星系中心，从而触发象快速的恒星形成一类的现象。
The study of such properties will help astronomers to test cosmological models that predict galactic structure formation.
这些性质的研究将帮助天文学家测试预测星系结构形成的宇宙学模型。
Richard Larson, a Yale astronomer who studies star formation in galactic nuclei, says galaxies can go through several quasar phases during their lives.
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。
Van den Bosch is particularly intrigued by the formation of disk galaxies and of massive black holes in galactic centers.
范登柏希特别著迷于盘形星系与星系中心超大质量黑洞的形成过程。
The idea was revived in the 1920s to explain similar irregular movements among the stars in the Milky Way and later still to describe the formation of galactic spiral arms.
在二十世纪二十年代的时候，这个观点又流行起来，用来解释银河系恒星之间类似的不规则运动。后来，该观点仍然用来解释星系旋臂的形成。
The influence cf the galactic magnetic field on the formation of the galactic shock wave is analyzed.
分析了星际磁场对形成星系激波的影响。
The influence cf the galactic magnetic field on the formation of the galactic shock wave is analyzed.
分析了星际磁场对形成星系激波的影响。
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