The Angle of earth's spin is constant only because the moon's gravitational pull.

地球的自转角度能够保持不变，完全是因为有了月球的引力拉动。

youdao

The Angle of earth's spin is constant only because the moon's gravitational pull.

地球的自转角度能够保持不变，完全是因为有了月球的引力拉动。

youdao