1.MERGERS: How Galactic Collisions Fed Black holes.
合并：星系间的撞击是如何哺育黑洞的？
2.The Moon will also be just 3 degrees from the Galactic Center, that is, almost in conjunction.
月球将只离银河中心差3度，这表示，差不多与银河中心完全协调。
3.We have been located in a backwater part of the galactic rim.
我们位于银河系边缘的偏远山区。
4.These research flights mark an important milestone for Virgin Galactic.
这些研究飞行对于维珍银河是一个里程碑。
5.In an interview last year with The Economist, George Whitesides, chief executive of space-tourism firm Virgin Galactic, was placing his company in the latter category.
在去年接受《经济学人》采访时，太空旅游公司维珍银河的首席执行官乔治·怀特赛兹将他的公司归为后一类。
6.Earth lies further out, nearer the galactic 'rim'.
