who discovered halley's comet

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
who discovered halley's comet	0.35	0.4	3628	24	29
who	1.79	0.3	3615	52	3
discovered	1.11	0.9	1170	36	10
halley's	1.71	0.1	4743	23	8
comet	0.82	0.6	2717	6	5

Keyword	CPC	PCC	Volume	Score
who discovered halley's comet	1.08	0.3	8043	19
who discovered halley's comet in 1682	1.01	1	9546	65
the comet known as halley's comet history	0.91	0.2	7025	94
who first saw halley's comet	1.79	0.2	5600	58
the comet known as halley's history	0.19	0.9	4096	40
the comet known as halley's comet origin	0.54	0.1	2396	83
who was halley's comet named after	1.82	0.5	7558	28
the comet known as halley's origin	1.92	0.2	4243	66
what year was halley's comet	0.71	0.4	3466	83
when did edmond halley discover the comet	0.95	0.8	3812	37
halley's comet dates in history	1	1	4434	14