World is nothing but earth. SO, according to science means, when sun formed at that time, a small fire ball was came out of it. Later , that fireball got cool and formed as earth.
The land in the earth formed as parts due to the high pressure of the water in the oceans. if there is no pressure of it then all countries would be as one
Friends I have written an article on this. Here is the link:-
http://www.boddunan.com/component/content/article/73-space/18240-origination-of-earth.html
