http://en.wikipedia.org/wiki/Cosmology [2]
http://en.wikipedia.org/wiki/Physical_cosmology [3]
http://www.astro.ucla.edu/~wright/cosmolog.htm [4]
http://www.jb.man.ac.uk/public/im/astbook/Ast_Apdf.pdf [5]
https://www.ras.org.uk/publications/other-publications/2028-cosmology [6]
http://www.if.ufrgs.br/oei/santiago/fis02012/Introduction-Cosmology-Ryde... [7]
Links
[1] https://hootsgo.org/?q=node/6427
[2] http://en.wikipedia.org/wiki/Cosmology
[3] http://en.wikipedia.org/wiki/Physical_cosmology
[4] http://www.astro.ucla.edu/~wright/cosmolog.htm
[5] http://www.jb.man.ac.uk/public/im/astbook/Ast_Apdf.pdf
[6] https://www.ras.org.uk/publications/other-publications/2028-cosmology
[7] http://www.if.ufrgs.br/oei/santiago/fis02012/Introduction-Cosmology-Ryden_tmp.pdf