| 1. | The universe as a whole contains billions of comparable galaxies .
整个宇宙，包含亿万个可以比拟的银河系。 |
| 2. | It is especially suited for the study of molecular clouds in the milky way .
它特别适合于研究银河系里的分子云团。 |
| 3. | The oldest stars in the galaxy exhibit a metal deficiency relative to hydrogen .
银河系中最年老的恒星表现出一种对氢而言的贫金属性。 |
| 4. | The shape of this galaxy indicates an obvious tendency for its matter to agglomerate .
这个银河系的形状表明它的物质明显地有团聚在一起的趋势。 |
| 5. | Weber claims recently to have observed gravitational waves coming from the centre of the galaxy .
最近，韦伯声称已观察到来自银河系中心的引力波。 |
| 6. | We observe in the galaxy much larger, denser, and more massive aggregates of cold interstellar matter .
在银河系中还观测到大小，密度和质量都要大得多的冷星际物质团。 |
| 7. | All the matter of the galaxy was originally a spherical cloud of gas from which stars were condensing out .
银河系中所有的物质最初都是球状气体云，恒星正是从中凝聚而成。 |
| 8. | Stars are born in these interstellar clouds, which are located in the spiral arms of our milky way galaxy
在我们银河系里，恒星就是在位于银河系旋臂上的这种星际气云中产生的。 |
| 9. | For the galaxy and the andromeda nubula, they do not form a pair of galaxies completely isolated from all others .
对银河系和仙女座星云来说，它们并不构成与所有其他星系完全孤立的一对星系。 |
| 10. | The star to be moving rapidly, perhaps in an orbit around the densely concentrated stars of the galactic nucleus .
这颗星看来正在以高速运动着，其运动轨道大概就围绕着由高度密集的恒星所构成的银河系核心。 |
