Question

Kepler's laws and diagram​

Answer 1

There are actually three, Kepler's laws that is, of planetary motion:

1) every planet's orbit is an ellipse with the Sun at a focus;

2) a line joining the Sun and a planet sweeps out equal areas in equal times; and

3) the square of a planet's orbital period is proportional to the cube of the semi-major axis of its

Answer 2

Answer:

They describe how (1) planets move in elliptical orbits with the Sun as a focus, (2) a planet covers the same area of space in the same amount of time no matter where it is in its orbit, and (3) a planet's orbital period is proportional to the size of its orbit (its semi-major axis)