00465nam a2200085Ia 4500008004100000245003900041300021600080650001300296856007000309170517s9999    xx            000 0 und d  aWhat Happened Before the Big Bang?  aThey are the biggest questions that science can possibly ask: where did everything in our universe come from? How did it all begin? For nearly a hundred years, we thought we had the answer: a big bang some 14...  xScience.  uhttp://topdocumentaryfilms.com/what-happened-before-the-big-bang/