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Quote by: rez  I am trying to keep this simple as possible. We are talking about 5 simple steps. |
Fair enough...
4.) We choose the most locigal explaination that fits with what we know to be true at the time.
5.) Yes, we change it everytime something we thought to be true turns out to be able to be better explained by a new theory or idea.
example: Sun around the Earth into Earth around the Sun