sensible horizon vs apparent horizon

sensible horizon and apparent horizon both are nouns.

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

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

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

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

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