Kidnapped by his uncle when he was a toddler and raised to be a scholar, Brahe went on to become the most prominent astronomer of the late 16th century. After inheriting his father’s and uncle’s estates, he built a small observatory and, in 1572, discovered and studied a supernova. Funded by Denmark’s King Frederick II, he built a larger observatory and accurately charted the positions of some 777 fixed stars. His observations provided the basis for the laws of planetary motion derived by whom? Discuss