<P> and his straightforward statement, </P> <P> I might very rationally put it in dispute, whether there be any such centre in nature, or no; being that neither you nor any one else hath ever proved, whether the World be finite and figurate, or else infinite and interminate; yet nevertheless granting you, for the present, that it is finite, and of a terminate Spherical Figure, and that thereupon it hath its centre...</P> <P> Some ecclesiastics also interpreted the book as characterizing the Pope as a simpleton, since his viewpoint in the dialogue was advocated by the character Simplicio . Urban VIII became hostile to Galileo and he was again summoned to Rome . Galileo's trial in 1633 involved making fine distinctions between "teaching" and "holding and defending as true". For advancing heliocentric theory Galileo was forced to recant Copernicanism and was put under house arrest for the last few years of his life . </P> <P> According to J.L. Heilbron, informed contemporaries of Galileo's: </P>

Who proposed circular orbits of the planets around the sun in 1500s