star vs celestial body

star and celestial body both are nouns.

Word	Noun	Adjective	Verb	Adverb
star	Yes	Yes	Yes	No
celestial body	Yes	No	No	No

As nouns, celestial body is a hypernym of star; that is, celestial body is a word with a broader meaning than star:

star: (astronomy) a celestial body of hot gases that radiates energy derived from thermonuclear reactions in the interior
celestial body: natural objects visible in the sky

Other hypernyms of star include heavenly body.

As nouns, celestial body is a hypernym of star; that is, celestial body is a word with a broader meaning than star:

star: any celestial body visible (as a point of light) from the Earth at night
celestial body: natural objects visible in the sky

Other hypernyms of star include heavenly body.

star (noun)	celestial body (noun)
the topology of a network whose components are connected to a hub	natural objects visible in the sky
a star-shaped character * used in printing
(astronomy) a celestial body of hot gases that radiates energy derived from thermonuclear reactions in the interior
any celestial body visible (as a point of light) from the Earth at night
an actor who plays a principal role
someone who is dazzlingly skilled in any field
a performer who receives prominent billing
a plane figure with 5 or more points; often used as an emblem

star (adjective)	celestial body (adjective)
indicating the most important performer or role