Question

Keepler law
Definition

Answer 1

Kepler has given 3 laws called laws of planetary motion

First law
Law of Orbit
Earth and other planet revolve around the sun in elliptical orbits and the sun is at one of the foci.

Second law
Law of Area
The line joining the planet to the sun sweeps out equal area in equal intervals of time. It means areal velocity remains constant

Third law
Law of period
The square of the time period of revolution of any planet is proportional to the cube of the semi major axis

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