constellation vs natural object

constellation and natural object both are nouns.

Word	Noun	Adjective	Verb	Adverb
constellation	Yes	No	No	No
natural object	Yes	No	No	No

As nouns, natural object is a hypernym of constellation; that is, natural object is a word with a broader meaning than constellation:

constellation (noun)	natural object (noun)
an arrangement of parts or elements	an object occurring naturally; not made by man
a configuration of stars as seen from the earth