when did the big bang happen?,what is the big bang theory?,made the universe,still going,when did the big bang happen,15 billion years ago,a explosion that created the universe,crsh explosion then earth then people,early days.,explosion,13.7 billil,the universe is still expanding, big ban,made planets,stars and galixies,the milky way,why is the big bang important,all matter spreads,the explosion will soon stop.,big bang happened a long time ago,big b is still expanding making us small,13.7 billion years ago,13.7 billón years ago,not the big bang god made the world,god the big person in this picture,god he is the best,god just believe who else make the world,yash,created planets that could have life,big bang theory is galaxy that collasped,big bang is still goigpng on,two astroyed then explosion then earth,what proof do astronomers have of big ba,there was an explotion & it made earth.,why is the big bang important?,what caused the big bang,i know the big bang created the planets,the big bang took place long ago,whendid the big bang happen,big bang o,theroy is what created the universe,bib bang theory is the explosion grows.,diffusion,big explosion,it was cause by expanding earth,the bang is still expanding the universe,it happened about 200 billion years ago,,it created galixies & maybe making more.,big bang two astroyed tha crash together,big b is like a shell like small point,why is the big bang imporant,beginning,