astronomy vs celestial latitude

astronomy and celestial latitude both are nouns.

Word	Noun	Adjective	Verb	Adverb
astronomy	Yes	No	No	No
celestial latitude	Yes	No	No	No

astronomy (noun)	celestial latitude (noun)
the branch of physics that studies celestial bodies and the universe as a whole	(astronomy) the angular distance of a celestial body north or to the south of the celestial equator; expressed in degrees; used with right ascension to specify positions on the celestial sphere