huángdào / shì / gǔrén / guānchá / tàiyáng / zài / xīngkōng / zhōng / de / lùjìng / déchū / de / gàiniàn

黄道是古人观察太阳在星空中的路径得出的概念。

The ecliptic is a concept derived from ancient people's observation of the Sun's path in the starry sky.