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Big Bang - Big Bang album - was created on 2009-08-19.
Molecules did not exist at the time of the Big Bang and not even in the immediate time after. To make molecules one needs atoms but it took about 370.000 years after the Big Bang for the temperature had dropped enough for atoms to be stable.
The Best of Big Bang was created in 2006.
The big bang created itself.
Big Bang Baby was created in 1996-03.
Big Bang Beat was created in 2007-05.
There were no gas clouds prior to the Big Bang. Indeed, there were no atoms, no sub-atomic particles, and no quarks -- all of these came into being after the start of the Big Bang. What was there BEFORE our Universe started to expand? The answer is simple: we don't know.
The Best of Big Bang
Implying that you believe in The Big Bang Theory then yes our "World" aka Earth was created from the products of The Big Bang.
Penny - The Big Bang Theory - was created in 2007.
Big Bang - British band - was created in 1988.
Big Bang Romance was created on 2005-09-07.