Keyword Analysis & Research: when has halley's comet appeared

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
when has halley's comet appeared	0.18	0.7	1867	38	32
when	1.85	0.7	5668	6	4
has	1.08	0.3	1663	94	3
halley's	1.95	0.3	8408	55	8
comet	1.13	0.3	9187	7	5
appeared	1.04	0.9	2594	88	8

Keyword	CPC	PCC	Volume	Score
when has halley's comet appeared	0.6	0.3	7916	27
when did halley's comet last appear	1.08	0.6	125	5
halley's comet next appearance date	0.54	0.7	8421	94
halley's comet dates and times	1.73	0.4	3758	53
halley's comet dates in history	1.71	0.1	5484	15