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Originally Posted by masraum
I'm sure the guy that wrote/said the first thing was very smart, but anytime I read something like that, I think that's very presumptuous so think/say. Over and over and over again, we discover that what we "know" is wrong. I don't think that we should stop thinking and theorizing, but at the same time, I think that assuming that we're absolutely correct about a lot of stuff in science and the universe is folly of the highest degree.
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No real scientist says they know everything. It is called scientific theory, and nothing is beyond further testing and changing that theory. Gravity is 100% accepted to all humans since we deal with it every day. Newton figured out a good explanation. Then along came Einstein, and added in much more theory. All of Einstein's theories have been proven with observations he could never have imagined.
The GPS system we all use HAVE to add in the calculation of the speed of the satellite in space going around the Earth. Einstein predicted it, and with space launches, it was proven. Newtonian theory is just not enough. It works fine on Earth, but not at high speeds. And the word theory does no imply a wild ass guess, it is a working model open to adjustments.