Bibliografia

http://upload.wikimedia.org/wikipedia/commons/8/86/
https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjYoAvym1No5SOZ-vV5FRG9VWM-5_8POEhm5zBsFlUoYnsJMy_Yz45yn35Ot9_z568lx_-th0CY_J8dnm0aIDIWYA70dsEFKHhQN4KyVF9jUjH_WwSIEoWj5WlFCrb7mp83CdwES90q7BA/s200/
http://www.dailygalaxy.com/my_weblog/images/2007/08/10/
http://upload.wikimedia.org/wikipedia/commons/thumb/b/b0/
http://aia2009.files.wordpress.com/2009/08/
http://www.projetosonda.com.br/imgs/
http://4.bp.blogspot.com/_0RJTlEAqMfc/Ri8JKs-UiJI/AAAAAAAACMs/
http://www.ced.ufsc.br/men5185/trabalhos/25_osol/
http://www.cdcc.usp.br/cda/sessao-astronomia/seculoxx/textos/
http://aia2009.files.wordpress.com/2009/01/
http://www.ccvalg.pt/astronomia/sistema_solar/mercurio/
http://www.p-island.com/psc/cg/sol/
http://1.bp.blogspot.com/_s_q9qKQqnuI/Sd2zX-hKs4I/AAAAAAAAABE/nWHl5c7QckI/s320/
http://upload.wikimedia.org/wikipedia/commons/3/34/
http://www.minerva.uevora.pt/itic/1998_1999/ceu/
http://acqua.files.wordpress.com/2008/04/
http://www.imotion.com.br/imagens/data/media/74/
http://heliades.no.sapo.pt/Correspondencia%20sistema%20solar/
http://nautilus.fis.uc.pt/astro/mirror/np/np-p/gif/
http://www.astro.iag.usp.br/~mario/aga291/semanaceu/pic/jup/
http://letsrider.com/blog/wp-content/uploads/2009/01/
http://nautilus.fis.uc.pt/astro/img/ss/saturno/
http://uranoort.no.sapo.pt/MenuPrincipal/Urano/
http://serfranco.files.wordpress.com/2008/10/
http://uranoort.no.sapo.pt/MenuPrincipal/Neptuno/
http://andre-lobo.nome.pt/wp-content/uploads/2008/07/
http://teacherdeniseselmo.files.wordpress.com/2010/01/
http://taratarotweb.tripod.com/sitebuildercontent/sitebuilderpictures/
http://lastfeeling.files.wordpress.com/2009/03/
http://serlivreandorinha.blogs.sapo.pt/arquivo/