Keyword Analysis & Research: how long was halley's comet visible in 1986

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
how long was halley's comet visible in 1986	0.83	0.9	7383	12	43
how	1.05	0.4	8078	92	3
long	1.36	0.7	3943	44	4
was	0.13	1	8942	32	3
halley's	0.66	0.5	8204	88	8
comet	1.92	0.6	9066	56	5
visible	0.71	0.2	2307	97	7
in	0.19	0.7	2656	13	2
1986	0.05	0.9	9432	79	4

Keyword	CPC	PCC	Volume	Score
how long was halley's comet visible in 1986	0.95	0.1	4616	40