sphere vs celestial point

sphere and celestial point both are nouns.

Word	Noun	Adjective	Verb	Adverb
sphere	Yes	No	No	No
celestial point	Yes	No	No	No

sphere (noun)	celestial point (noun)
any spherically shaped artifact	a point in the heavens (on the celestial sphere)
a particular aspect of life or activity
the geographical area in which one nation is very influential
the apparent surface of the imaginary sphere on which celestial bodies appear to be projected
a solid figure bounded by a spherical surface (including the space it encloses)
a three-dimensional closed surface such that every point on the surface is equidistant from the center
a particular environment or walk of life