apparent horizon vs sensible horizon

apparent horizon and sensible horizon both are nouns.

Word	Noun	Adjective	Verb	Adverb
apparent horizon	Yes	No	No	No
sensible horizon	Yes	No	No	No

As nouns, apparent horizon and sensible horizon are synonyms defined as:

apparent horizon and sensible horizon: the line at which the sky and Earth appear to meet

Other synonyms of apparent horizon include horizon, skyline, visible horizon.

apparent horizon (noun)	sensible horizon (noun)
the line at which the sky and Earth appear to meet	the line at which the sky and Earth appear to meet