释义 |
黄道huángdào地球一年绕太阳转一周,我们从地球上看成太阳一年在天空中移动一圈,太阳这样移动的路线叫做黄道。它是天球上假设的一个大圆圈,即地球轨道在天球上的投影。黄道和赤道平面相交于春分点和秋分点。{ecliptic; great circle formed by the intersection of the plane of the earth's orbit with the celestial sphere; the apparent annual path of the sun in the heavens; the ecliptic and equatorial plane intersect at the vernal and autumnal equinox points} |