Many examples of supporting evidence have been given in this thread (galactic red shift, cosmic microwave backgroud, ratio of protons/neutrons, agreement of predicted age of universe with age of oldest known stars). What more would be needed to convince you? Perhaps you could give an example of something which you might consider sufficient proof, if it were observed?Originally Posted by cmacq
The Big Bang theory is the simply the theory which explains the above observed phenomena most accurately and with the fewest assumptions. Thus is it accepted as the correct theory. Of course, if another theory is found which can explain the observations better or with fewer assumptions, it will replace the Big Bang theory; however I am unaware of any predictions made by the Big Bang theory which are not observed.
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