The main component of the celestial globe is a hollow bronze globe, with crisscross grids on the spherical surface, which are used to delineate the exact position of celestial bodies.

 
  • 两个极点的指尖,固定在一个南北正立着的大圆环上,大圆环垂直地嵌入水平大圈的两个缺口内,下面四根雕有龙头的立柱支撑着水平大圈,托着整个天体仪。
今日热词
目录 附录 查词历史