kepler

What Are Kepler's Laws of Planetary Motion?

Kepler's laws of planetary motion describe the orbits of planets around the Sun. These laws are:
1. First Law (Law of Ellipses): The orbit of a planet around the Sun is an ellipse, with the Sun at one of the two foci.
2. Second Law (Law of Equal Areas): A line segment joining a planet and the Sun sweeps out equal areas during equal intervals of time.
3. Third Law (Law of Harmonies): The square of the orbital period of a planet is directly proportional to the cube of the semi-major axis of its orbit.

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