Not actually true, Tycho Brahe's model of the solar system was very similar(geometrically) to Ptolemy(earth in the center) and Copernicus(sun in the center). He put the earth in the center, the sun and the moon were orbiting around the earh while the other planets where orbiting around the sun.
The real breakthrough came from Johannes Kepler( who was working with Brahe and later on was using Brahe's observations) who went away from using circular orbits, and to a certain extent discovering gravity. You can read more in his book Astronomia Nova, I recomend it to anyone.
Intel CPUs are not defective, they just act that way. -- Henry Spencer