OBSERVE.PHY.SFASU.EDU has 6 keywords

First position — 1 keywords

Keywords Analytic

the 1th position for observe.phy.sfasu.edu

#	Keyword	Results	Change	Check Date
1	star certificate sfa star charts	37 700	0	2016-05-07

positions above than 3th observe.phy.sfasu.edu

#	Keyword	Results	Change	Check Date
7	edu star download for free	11 700 000	0	2014-05-12
15	star chart	178 000 000	0	2014-01-21
16	star charts	73 900 000	0	2014-12-26
31	sky charts	26 200 000	0	2013-10-20
35	starchart	4 500 000	-23	2014-10-08