node vs celestial point

node and celestial point both are nouns.

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

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

node (noun)	celestial point (noun)
(computer science) any computer that is hooked up to a computer network	a point in the heavens (on the celestial sphere)
any bulge or swelling of an anatomical structure or part
the source of lymph and lymphocytes
(astronomy) a point where an orbit crosses a plane
(physics) the point of minimum displacement in a periodic system
(botany) the small swelling that is the part of a plant stem from which one or more leaves emerge
any thickened enlargement
a connecting point at which several lines come together