Difference between Celestial Sphere and Firmament

CELESTIAL SPHERE vs FIRMAMENT: NOUN

An imaginary sphere of infinite extent with the earth at its center and on which the stars, planets, and other heavenly bodies appear to be located.
The apparent surface of the imaginary sphere on which celestial bodies appear to be projected

In the geocentric Ptolemaic system, the eighth sphere, which carried the fixed stars.
The field or sphere of an interest or activity.
Basis.
The vault of the heavens; the sky.
The orb of the fixed stars; the most rmote of the celestial spheres.
The region of the air; the sky or heavens.
Fixed foundation; established basis.
A piece of jewelry, as a star or the like, meant to be worn in a head-dress, such as the commode or tower of the seventeenth century.
The sky or heavens; the vault of heaven, viewed as something solid and abiding; the region of the air.
Foundation; support; basis.
The vault or expanse of the heavens; the sky.
The apparent surface of the imaginary sphere on which celestial bodies appear to be projected

(proper noun) An abstract sphere of infinite radius which serves as the imaginary backdrop for celestial objects, and of which the visible sky is one hemisphere.

Uranus, Proxima centauri, Sidereal, Planetary, Andromeda galaxy, Oort cloud, Zodiacal light, Ecliptic, Celestial equator, Vault of heaven, Welkin, Firmament, Sphere, Empyrean, Heavens

Stars, Ascendant, Constellation, Circles, Pantheon, Effulgence, Universe, Ether, Sky, Vault of heaven, Welkin, Celestial sphere, Sphere, Empyrean, Heavens

Corona borealis, Celestial, Uranus, Proxima centauri, Sidereal, Planetary, Andromeda galaxy, Oort cloud, Zodiacal light, Ecliptic, Celestial equator, Welkin, Sphere, Empyrean, Heavens

Colossus, Luminary, Aeon, Ascendant, Constellation, Pantheon, Effulgence, Universe, Ether, Sky, Welkin, Celestial sphere, Sphere, Empyrean, Heavens

Setting circles in conjunction with a star chart or ephemeris allow the telescope to be easily pointed at known objects on the celestial sphere.
But like the Sun, they have independent motions among the stars, superimposed on the daily rotation of the celestial sphere.
After a semester of instruction we became hypersensitive to the correct way to depict the celestial sphere.
The celestial sphere is an imaginary globe of infinite size with the Earth at its center.
The original of the Celestial Sphere remains a mystery.
Johannes Hevelius drew Ursa Major as if being viewed from outside the celestial sphere.
Topics include, work with celestial sphere, sky charts, optical bench, telescopes, spectroscopes, and photometer.
Guests enjoy an Equator Digital menu of celestial sphere whose plane is bell.
Note how the Earth Map, Celestial Sphere, and Horizon Diagram are linked together.
Berlin was also connected to some kind of celestial sphere.

And that is the sad reality about Nigeria's political firmament.
God said: Let there now be a firmament between the waters.
Final Fantasy XIV a Realm Firmament, you can also view Heavensward.
Investigative journalism is no longer rampant the firmament of American news.
Firmament all difficulties are freely farmable with no restrictions Cap.
GLORY OF GOD; AND THE FIRMAMENT SHOWETH HIS HANDIWORK.
Let there be lights in the firmament of heaven.
Embroidered upon it was the firmament of heaven.
God said let there be firmament, and BANG!
But in this case the unnamed empty space under the firmament is something different from the firmament.