celestial sphere
- IPA[səˈlesCHəl]
- an imaginary sphere of which the observer is the center and on which all celestial objects are considered to lie.
noun: celestial sphere, plural noun: celestial spheres
- 更多解釋
- an imaginary sphere of which the observer is the centre and on which all celestial objects are ...
Oxford Dictionary
知識+
有人可以翻譯加回答嗎? 我是天文白痴...
... daily circles of stars are parallel to what circle on the celestial sphere? 星星的日常軌跡跟黃道面的的哪一個軌跡平行？（不知） 7. True or false...