galactic GRE

1.Also, as our sun orbits the galactic center it may sweep through areas of interstellar dustiness.

同样的，因太阳位于重力的中心，它可能会清有际尘埃的区域。

2.We also describe the basic principle of white dwarf cosmochronology and its application in defining the age of the Galactic disk, globular clusters, open clusters and Galactic halo.

介绍了白矮宇宙纪年学研究的基本原理及其在盘、球状团、疏散团以及晕年龄确定方面的应用现状。

3.Right up to the present day, all experimental data, on scales ranging from subnuclear to galactic, are successfully explained by these three theories.

而到目前止，小至次原子核，大至系，所有的实验数据，都能用这三大理论圆满地解释。