Kepler's 2nd law
Johannes Kepler (b. 1571)
Kepler's laws of planetary motion 1609-1619
A line joining a planet and the Sun sweeps out equal areas during equal intervals of time.
- [math]\displaystyle{ \frac{d\theta}{dt} \propto \frac{1}{r^2} }[/math]
Johannes Kepler (b. 1571)
Kepler's laws of planetary motion 1609-1619
A line joining a planet and the Sun sweeps out equal areas during equal intervals of time.