Answer to Question #261632 in Physics for alemante teju

Question

State Kepler’s laws of planetary motion.

Answer 1

1) Every planet in a Solar systems moves along an elliptic trajectory

2) Every planet moves in a planes that passes through the center of the sun, and shades equal areas of sectors during equal intervals

3) For planets orbiting the same star, the ratio of periods squared is the ratio of their major semi-axes cubed.