Assertion: celestial sphere | /r/HasProperty | centered on earth
Facets:
Source sentences:
text: All objects in the sky can be conceived as being projected upon the inner surface of the celestial sphere, which may be centered on Earth or the observer.
text: The celestial sphere is a projected sphere centred on the Earth that we can imagine all the stars are painted on.
text: If we think of the stars as being attached to the celestial sphere centered on Earth, then the familiar system of latitude and longitude on Earth’s surface extends quite naturally to the sky.
text: Used to describe the position of objects in the sky, the celestial sphere is a fictitious sphere centred on the Earth upon which all celestial bodies can be projected.