Today we know that Copernicus was, in his most basic premise, right in his view of the Universe. Our Solar System centers on the Sun, rather than on the Earth, and we have extensive evidence to support that claim. At the time, though, there was significant resistance against Copernicus' assertion.
Which scientific argument that ancient Greek and Renaissance astronomers had against adopting the heliocentric model do you think was most compelling, and why? How is that argument countered today? Please be specific.