Where did you get this "Earth is assumed to be the center of the universe" concept from?
...and the scientists got it wrong.
It is in the very link you provided. Stop focusing on my stupid 19" monitor shit, and focus on the science that you seem to be so concerned about.
They are all behind Einstein and that nothing can travel faster than the speed of light. But then they go, oh, by the way, space-time can expand faster than the speed of light.
Um, hello? Contradiction?