Planetarium Sites

Rank	Website	Country Rank	Monthly Unique Visitors	Pages/Visit	Avg. Visit Duration	Bounce Rate
1	deanza.edu	#8137	1.1M	00:06:55	6.53	33.25%
2	astronomy.com	#19941	930660	00:01:25	1.7532277146113	73.46%
3	fh-kiel.de	#6516	227800	00:04:36	5.3444824057294	35.06%
4	kopernik.org.pl	#3937	216410	00:04:32	5.0092316845462	43.35%