is empty space really empty

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
is empty space really empty	1.04	0.6	161	100	27
is	0.13	0.2	1386	69	2
empty	0.12	0.7	2881	41	5
space	0.2	0.2	1300	63	5
really	0.21	0.6	658	45	6
empty	0.86	0.3	922	3	5

Keyword	CPC	PCC	Volume	Score
is empty space really empty	0.62	0.7	937	71
how empty is space	1.44	0.2	3327	17
how much of space is empty	0.6	0.2	2369	76
is air empty space	0.62	0.9	9216	8
is outer space empty	0.02	0.4	360	74
what percent of space is empty	1.74	0.8	7338	37
what percentage of space is empty	0.37	0.4	9745	90
is space empty of matter	1.82	0.3	5156	41
empty space in the universe	1.37	0.4	9693	5
science term empty space	0.8	0.7	8793	63
is the universe mostly empty space	0.12	0.4	5356	85
what makes up empty space	1.07	0.2	6378	22
is empty space made of anything	0.11	0.7	1364	19
the empty space movie	0.21	0.9	8565	82
is there an empty	0.36	0.4	2990	78