Neeraj correct your history knowledge Helliocentric model was well known to Muslims centuries before Gallilioe.
see the most authoritative journal on science "American Scientist"
(Note you can see only the abstract) http://www.americanscientist.org/template/Login;jsessionid=baad-liQMjPbZZ?nextpage=AssetDetail&print=yes& ;fulltext=true&assetid=17936&message=PageAccessDeniedMessage
