ecliptics

1. 1.

   The great circle on the celestial sphere that is the mean apparent path of the sun as viewed from the earth.

   天球上的一条大圆,是地球上观测到的太阳平均视路径。

2. 2.

   The plane in which this great circle lies.

   该大圆所在的平面。

3. 3.

   A great circle drawn on a terrestrial globe, used for illustrating and solving astronomical problems.

   画在地球仪上的大圆,用于说明和解决天文问题。

该大圆所在的平面。；画在地球仪上的大圆,用于说明和解决天文问题。；黄道

Connections

Learner notes