It has been a common understanding that Tycho Brahe’s observations of the great star and observation of the great comet played a significant feat in the Copernican Revolution and was especially instrumental in disintegrating the old Aristotelian cosmography. Tycho’s observation of the new star in 1572 directly challenged Aristotle’s immutable and perfect heaven, while his measurements of the comets in 1577 countered the existence of celestial spheres. However, this generalization of Tycho’s work seems rather simplified. Certainly, Tycho’s observation paved way for the new cosmography, but historians have argued the extent and ways in which Tycho’s influences span. In my research, I will explore the ramifications of Tycho’s observation by examining
