The inside of a planetarium is a sphere with the stars and planets projected on to it. The celestial sphere is an infinite sphere that we imagine has the stars and planets on it. On the celestial sphere only an object's direction matters and its distance is ignored.
A viewer at the centre of the planetarium sees stars and planets as they appear in the sky, but viewers in all the seats see approximately the right view.
No, because there is no such thing as the celestial sphere. So there is no inner surface of a celestial sphere.
The stars in the Ptolemaic model of the universe move on or are attached to a celestial sphere.
No.
Decmber 21
a region of the celestial sphere
No, because there is no such thing as the celestial sphere. So there is no inner surface of a celestial sphere.
celestial sphere A+
No plants have ever been observed on the Celestial Sphere.
celestial sphere A+
celestial sphere
Celestial Equator
celestial globe is a physical model of celestial sphere
celestial sphere
The largest constellation on the celestial sphere is Hydra the Sea Serpent and it is 100° long.
The celestial sphere has been completely divided into 88 constellations, so yes.The celestial sphere has been completely divided into 88 constellations, so yes.The celestial sphere has been completely divided into 88 constellations, so yes.The celestial sphere has been completely divided into 88 constellations, so yes.
The Celestial Globe (or sphere) is an imaginary sphere around our planet, earth. All objects in the sky and space, such as satellites, can be thought inside this invisible sphere.
The stars in the Ptolemaic model of the universe move on or are attached to a celestial sphere.