Astronomy

1)New theories about the solar system to the discovery of sun spots,new stars,and other objects.

2)At the end of the Medieval period,many recognized that the complex geometrical models used to describe the movement of celestial bodies conflicted with Plato's theories of cosmic harmony of symmetry.(We have named one of our use to be planets after Plato)

3)Copernicus arrived with a new model of the cosmos,with the Sun at the center rather than the Earth.(Galileo also believed this)

4)For almost 2,000 years the people of Europe had relied on the discoveries of the Ancient Greeks.They thought that the Sun and the planets orbited around the Earth.