天球北极 meaning in English
north celestial pole
Examples
- Therefore , the vernal equinox and the pole star will change in time
或进动，所以，春分点和天球北极的位置亦会非常缓慢地移动。 - Is special because it is very near the north celestial pole . thus , it appears to be stationary
虽然只是众多拱极星中的一颗，但由于它非常接近天球北极，所以看来似乎永远静止不动。 - The first one is pointing to the north . note that polaris does move a little bit . the second and the third show the motions of other stars at south and the east respectively
这三幅模拟图例显示在北半球可以见到的恒星运动第一幅指向天球北极方向你会发现其实北极星并不是完全固定不动的第二及第三幅分别指向南方及东方。