WHAT IS KEPLER'S LAW OF MOTION OR KEPLER'S LAW OF PLANETARY MOTION

Q. : Write Kepler's Law of Motion.
Or   Write Kepler's Law of Planetary Motion.


Kepler's Laws : Kepler stated the three laws of planetary motion as follows :
  1. The Law of Elliptical Orbits : Every planet moves in an elliptical orbit around the sun, and the sun being at one of the foci.
  2. The Law of Areas : Straight line joining the sum to the planet sweeps equal areas in equal intervats of time.
  3. The Harmonic Law : Square of the time period of a planet is directly proportional to the cube of its mean distance from the sun.

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