why is the background of space black

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
why is the background of space black	0.62	0.2	7914	47	36
why	0.12	0.7	6626	92	3
is	1.49	1	7315	32	2
the	0.4	0.6	5132	32	3
background	1.53	0.1	9354	69	10
of	1.83	0.3	1930	13	2
space	1.62	0.3	9113	70	5
black	0.82	1	6748	3	5

Keyword	CPC	PCC	Volume	Score
why is the background of space black	1.22	0.9	6394	29
why is outer space black	0.45	0.9	9272	62
why is the sky black in space	1.82	0.4	8031	59
what makes space black	0.36	0.2	928	32
why is space black video	1.59	0.1	9936	38
what is the black part of space	1.38	0.5	9644	7
how come space is black	1.72	0.7	250	57
how black is space	1.02	0.8	3509	100
space black and white background	1.19	0.2	115	17
black history in space	1.87	1	5315	60
why the space is dark	0.69	0.5	8424	37
black outer space background	1.27	0.4	6856	24
what is the blackness in space	0.45	0.1	5002	26
black space with stars background	0.91	0.6	647	42