books.google.co.uk - We've all heard of the Big Bang, and yet few of us truly know what it is. Renowned for making difficult ideas much less difficult than they might first appear, Simon Singh is our perfect guide to explaining why cosmologists believe that the Big Bang is an accurate description of the origin and evolution...http://books.google.co.uk/books/about/Big_Bang.html?id=JtoFUgaubV8C&q=observations&utm_source=gb-gplus-shareBig Bang
