数千年前,我们的先民过着采集、渔猎、农耕或游牧生活。太阳落山以后,他们的休闲方式之一,很可能就是躺在草地上遥望星空。那时的星空一定很美,因为大地植被良好,没有扬沙,没有工业粉尘,没有地面灯光干扰,天空清澈如洗,繁星分外明亮。先民们尝试着给那些星星分组,用线条把一组内的星星连接起来,把它们想象成各种 Thousands of years ago, our ancestors lived gathering, fishing, farming or nomadic life. After the sun goes down, one of their leisure styles is probably lying on the grass overlooking the stars. At that time the sky must be beautiful, because the earth vegetation is good, there is no sand, no industrial dust, no ground light interference, the sky was clear as wash, extraordinarily bright stars. The ancestors tried to group the stars, connect the stars within the group with lines, visualize them as various