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Originally Posted by speede5
There is no physical proof of a big bang. it is a theory nothing more. If you believe in that you have put your faith in a random event.
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The word "proof" is a bad one to use. Proof is for mathematics and alcohol. The keyword in science is evidence. There is plenty of evidence for the big bang. It was discovered about 80 years ago that the distances between galaxies is increasing. Hence, the universe is expanding. Run the clock backward far enough and you eventually get to a point where the universe is very, very small. "Big bang" more or less refers to the fact that the universe is expanding. Furthermore, it was theorized that under the big bang model, there would be a small amount of microwave radiation from the early universe present at all points in space. This cosmic microwave background radiation was discovered some years later, and is very great evidence for the big bang model of the universe.
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Evolution has holes, there has to be a link from the little microbe and man as we are now. While it is postulated it has yet to be discovered.
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Here's a nice little clip from Carl Sagan's
Cosmos to give you a general idea of the evolution from microbe to man:
http://www.youtube.com/watch?v=gl89HIJ6HDo