Kepler's 1st law
Johannes Kepler (b. 1571)
Kepler's laws of planetary motion 1609-1619
The orbit of every planet is an ellipse with the Sun at one of the two foci.
Johannes Kepler (b. 1571)
Kepler's laws of planetary motion 1609-1619
The orbit of every planet is an ellipse with the Sun at one of the two foci.