Question

what is the contribution of kepler's laws in science

Answer 1

The fact that planets travel on elliptical paths is known as Kepler's First Law. ... Kepler's Third Law was published a decade later, and recognized that the relationship between the period of two planets — the time they take to orbit the sun — is connected to their distance from the sun.

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

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