Question

what is a celestial sphere

Answer 1

Hello mate ❤️

celestial sphere :

celestial sphere is an imaginary sphere where the observer is the center and all celestial objects/bodies are considered to lie on it

Hope this helps you :)

Answer 2

Answer:

It is an imaginary sphere with the Earth as its center and having a very large radius. The position of bodies such as stars, planets and galaxies are specified by their coordinates on the celestial sphere. In ancient times, the astrologers considered the Earth to be surrounded by the Celestial Sphere and the stars were attached to it.  

Explanation: