Quote:
Originally Posted by stampsx2
People believed for the longest time that the earth was flat. I wonder what we believe today that is completely wrong.
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You should read the relativity of right link that I linked to you in the other thread.
As long as there's some scientific support for a theory, it'll never be completely wrong, just inaccurate (though possibly wildly inaccurate).
Even the earth being flat, it IS flat on a small enough scale within certain error bars.
We know it is round if you increase the scale, but on at some scales for some things, you can treat the earth as if it is flat. You don't need to account for the curve of the earth if you are building a house.