unmanned spaceflight

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
unmanned spaceflight	1.03	0.1	3544	92	20
unmanned	0.57	0.7	7081	47	8
spaceflight	1.88	1	9372	26	11

Keyword	CPC	PCC	Volume	Score
unmanned spaceflight	0.73	0.9	6417	49
unmanned spaceflight forum	0.44	0.1	1444	26
the history of unmanned spaceflight	1.58	0.9	8562	59
the history of manned spaceflight	1.46	0.8	7092	68
first unmanned space flight	1.58	0.6	7692	79
the history of human spaceflight	1.04	0.8	3965	19
the history of spaceflight	0.82	0.5	1453	25
why were early space flights unmanned	0.8	0.5	9548	51
when was the first manned private spaceflight	2	0.6	7817	6
history of private spaceflight	1.34	1	9732	18