interplanetary space vs space

interplanetary space and space both are nouns.

Word	Noun	Adjective	Verb	Adverb
interplanetary space	Yes	No	No	No
space	Yes	No	Yes	No

interplanetary space (noun)	space (noun)
the part of outer space within the solar system	the unlimited expanse in which everything is located
	(printing) a block of type without a raised letter; used for spacing between words or sentences
	a blank character used to separate successive words in writing or printing
	a blank area
	one of the areas between or below or above the lines of a musical staff
	an area reserved for some particular purpose
	any location outside the Earth's atmosphere
	an empty area (usually bounded in some way between things)
	the interval between two times

interplanetary space (verb)	space (verb)
	place at intervals