sun-and-planet motion

Autumnal equinox: the point at which the ecliptic intersects the celestial equator, the sun having a southerly motion.

秋分：指黄道与天赤道相交的一点，自此太阳向南运动。

In the solar system the planets as well as the sun itself are in constant motion.

在太阳系，不但行星，而且太阳本身也在不断地运动。

The moon around the earth for elliptical motion, accompanied by Earth's revolution around the sun.

月球环绕地球作椭圆运动, 并伴随地球绕太阳公转.

Not only the planets but also the sun is in constant motion.

不仅是行星而且太阳也在不断地运动。

The motion rules of the equatorial anomaly's northern crest is found as follows: ( 1) The time sector from sunrise to" the sun right overhead", the crest is in equatorward motion, in the afternoon it moves back toward the pole.

指出了赤道异常北峰的运动规律：（1）日出-日当头时段，该峰向赤道运动，午后时段则向极运动。