银河系结构

银盘恒星运动学和化学丰度与银河系结构

Disk Stellar Kinematics and Abundance with the Galactic Structure

银河系的结构主要分为核球、银盘和银晕几个组成部分。

Galaxy is composed of Galactic bulge , plate and halo .

银河系的结构和演化

Structure and Evolution of the Milky Way Galaxy

某个小组对绘制宇宙中氢的分布图感兴趣，另一个则对定位脉冲星感兴趣，还有的在研究银河系的结构。

One group is interested in mapping the distribution of hydrogen in the universe , another in the location of pulsars , and yet another is studying the structure of our galaxy , the Milky Way .

银河系大尺度结构的统计分析

A statistical study of the large-scale structure of the Milky Way Galaxy

超新星遗迹与银河系旋臂结构

Supernova remnants and spiral structure of the galaxy

研究这些星团对我们了解银河系形成、结构和演化有重要意义。

They play an important role in understanding the formation , structure and evolution of the Galaxy .

探测活动星系演化的动力学。GAIA可对银河系的总体几何结构及其运动学做全面而彻底的普查，在此基础上开辟广阔的天体物理研究领域。

GAIA is aimed at a comprehensive survey of the overall geometric structure and its kinematics of our Galaxy which lead to broad research into astrophysics .

说明：从银河系内往外看，很难辨认我们银河系的真实结构。

Explanation : Gazing out from within the Milky Way , our own galaxy 's true structure is difficult to discern .

恒星元素丰度是探讨银河系化学演化的重要探针，分析不同星族成分的元素丰度是研究银河系结构和化学演化的重要课题。

Analysis about the abundance in different stellar populations is a very important subject in study of the structure and chemical evolution of the Galaxy .

银河系中有许多成团的恒星系统，研究这些恒星系统对我们认识银河系的形成、结构和演化有重要的意义。

There are thousands of stellar systems in the Galaxy , which is of great value for us to study the formation , the structure and even the evolution of the Milky Way .

研究人员于上周四公布了一张银河系的三维地图，其中包括太阳在内共有1000多亿颗恒星。这张地图全面展示了银河系结构：由四个大的螺旋型枝节和一个条状的核心区域组成的星系盘。

The researchers on Thursday unveiled a three-dimensional map of the Milky Way - home to more than 100 billion stars including our sun - providing a comprehensive chart of its structure : a stellar disk comprised of four major spiral arms and a bar-shaped core region .