So by looking at the night sky deeper and deeper -- in fact, these guys spent three years on the South Pole looking straight up through the coldest, clearest, cleanest air they possibly could find looking deep into the night sky and studying that glow and looking for the faint twists which are the symbol, the signal, the ringing of the early universe.
所以通过反复观察夜空， 事实上，这些人在南极花了三年的时间 抬头仰望夜空，那里有他们能找到的 最寒冷、清澈和干净的大气， 他们抬头仰望夜空并研究 寻找引力波的印迹， 也就是那些微弱的漩涡， 早期宇宙的响声。