由于地球的自转运动,产生了各种天体的周日视运动现象。天体的周日视运动轨迹都是平行于地球赤道平面的圆圈。对于地球来说,太阳却是一颗十分特殊的天体,由于太阳运行的黄道面与地球的赤道面并不 Due to the rotation of the earth, there are phenomena of the sun’s movement on various celestial bodies. The celestial bodies’ orbits on Sunday are all circles parallel to the plane of the earth’s equator. For the earth, the sun is a very special celestial body, because the ecliptic plane of the sun and the equatorial plane of the earth are not