when did the comet hit earth

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
when did the comet hit earth	0.11	0.3	6581	74	28
when	2	0.8	1790	74	4
did	0.91	1	9954	24	3
the	0.07	0.3	3341	48	3
comet	1.5	0.1	1857	28	5
hit	1.71	0.3	8454	63	3
earth	1.34	0.6	4605	72	5

Keyword	CPC	PCC	Volume	Score
when did the comet hit earth	1.11	0.4	4234	52
will halley's comet hit earth	0.86	0.8	6932	4
what would happen if a comet hit earth	1.21	0.2	2082	21
has a comet ever hit earth	1.54	0.9	8043	31
can a comet hit earth	0.64	1	4727	67
is a comet going to hit earth	1.8	0.3	1410	13
will a comet hit earth	1.1	0.3	3718	61
comet to hit earth 2032	1.26	0.8	2574	13
what would happen if halley's comet hit earth	1.15	0.6	3627	89
will halley's comet ever hit earth	1.55	0.1	3194	65
when will halley's comet hit earth	0.25	0.5	1839	13
when will halley's comet pass earth again	1.45	0.1	3432	18
next time halley's comet passed earth	1.82	0.8	1572	50
halley's comet from earth	0.91	0.8	841	97
when will halley's comet return to earth	1.07	1	5234	59
halley's comet photos from earth	1.3	0.2	3844	31
halley's comet compared to earth	0.46	0.9	7364	99
halley's comet images from earth	1.78	0.6	4172	64
years halley's comet passed the earth	0.87	0.5	3119	76
will halley's comet ever burn up	1.03	0.6	7671	63
is halley's comet in our solar system	1.75	0.3	4663	2
is halley's comet dangerous	1.48	1	6485	87
where is halley's comet today	1.09	0.8	21	47
next passing of halley's comet	1.61	0.6	1013	34
biggest comet to hit earth	0.3	0.4	2368	79