translation.en: I'm sure that, throughout the hundred-thousand-odd years of our species' existence, and even before, our ancestors looked up at the night sky, and wondered what stars are.
translation.zh: 我十分确信在人类诞生以来 的大概10万多年 甚至比这更长的时间里- 我们的祖先仰望夜空 想知道那些星星究竟是什么