solar physics vs uranology

solar physics and uranology both are nouns.

Word	Noun	Adjective	Verb	Adverb
solar physics	Yes	No	No	No
uranology	Yes	No	No	No

As nouns, uranology is a hypernym of solar physics; that is, uranology is a word with a broader meaning than solar physics:

solar physics: the branch of astronomy that deals with the sun
uranology: the branch of physics that studies celestial bodies and the universe as a whole

Other hypernyms of solar physics include astronomy.

solar physics (noun)	uranology (noun)
the branch of astronomy that deals with the sun	the branch of physics that studies celestial bodies and the universe as a whole