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.

• 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。