Arrange the following sentences in a logical sequence and choose the correct combination:
1. Then two astronomers - the German, Johannes Kepler, and the Italian, Galieo Galiliei - started to publicly support the Copernicus theory; despite the fact that the orbits it predicted did not quite match the ones observed.
2. This idea was that the sun was stationary at the center and that the earth and the planets move in circular orbits around the sun.
3. A simple model was proposed in 1514 by a polish priest, Nicholas Copernicus.
4. Nearly a century passed before this idea was taken seriously.