There are stars in this galaxy beyond number.
银河系里有不计其数的星星。
How did the ring of new stars form in this galaxy?
由新恒星构成的指环是怎么形成的？
This galaxy however, is one of the mass galaxies in.
而这个银河系，只是天上众多银河系之一。
This galaxy however, is one of the mass galaxies in the sky.
而这个银河系，只是天上众多银河系之一。
From this you can calculate the total mass in the Galaxy.
据此，你可以计算出银河系的总质量。
这是一个星系还是两个？
This line of reasoning underlies an exciting new theory of spiral-galaxy structure.
这一推理路线是一个令人兴奋的螺旋星系结构新理论的基础。
What's happening in the middle of this massive galaxy?
这个大质量星系中间发生了什么？
This was such new territory for not just the Galaxy but also the league.
这是一个全新的领域，不仅仅对于银河队，对于整个大联盟也是如此。
This system is an interacting galaxy pair.
该系统是一个扰动星系对。
As every galaxy was formed in less time than it takes to sing this song.
因为每个星系的形成的时间都比唱这首歌的时间还要短。
As every galaxy was formed in less time than it takes to sing this song.
因为每个星系的形成的时间都比唱这首歌的时间还要短。
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