星历表

例句：

1. 1. The astronomer used the star chart to plot thepositions of the planets.
   天文学家使用星图来绘制行星的位置。
2. 2. The astronaut was able to navigate using thecelestial navigation system on boardthe spacecraft.
   宇航员能够使用太空船上的天体导航系统进行导航。
3. 3. Theastronomer predicted that the next supernova would occur in a year'stime.
   天文学家预测下一次超新星将在一年后发生。