Johannes Kepler (b. 1571)
Kepler's laws of planetary motion 1609-1619
The square of the orbital period of a planet is directly proportional to the cube of the semi-major axis of its orbit.
- $$T^2 \propto a^3$$
Johannes Kepler (b. 1571)
Kepler's laws of planetary motion 1609-1619
The square of the orbital period of a planet is directly proportional to the cube of the semi-major axis of its orbit.