ASTRONOMY2009.NASA.GOV has 3 keywords

Second position — 2 keywords

Keywords Analytic

the 2th position for astronomy2009.nasa.gov

#	Keyword	Results	Change	Check Date
2	2009 current discoveries in astronomy	1 930 000	-1	2015-11-09
2	2009 current discoveries on astronomy	3 600 000	-1	2015-11-10

positions above than 3th astronomy2009.nasa.gov

#	Keyword	Results	Change	Check Date
6	astronomy year 2009	15 300 000	3	2013-11-08