How did Kepler's explanation of the orbits of planets differ from Newton's explanation?
a) Kepler proposed the law of universal gravitation, while Newton focused on elliptical orbits.
b) Kepler emphasized the importance of inertia, while Newton focused on planetary motion.
c) Kepler's laws described the motion of planets in elliptical orbits, and Newton provided a theoretical explanation with the law of gravity.
d) There was no significant difference between Kepler and Newton's explanations of planetary orbits.
