天球坐標系統
tian ˉ qiuˊ zuoˋ biao ˉ xiˋ tongˇ
Celestial coordinate system(s), a framework or frameworks for measuring the positions of objects in the sky
以天球北極為中心
yiˇ tian ˉ qiuˊ beiˇ jiˊ weiˊ zhong ˉ xin ˉ
Centered on the celestial sphere's North Pole, Around the celestial sphere's North pole
Cat: Astronomy (Centered on the celestial sphere's North Pole) Next
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