PHILOSOPHERS'STONE.PART 63

The same with Johannes Kepler German Astronomer in 1600s both extensively utilised telescope to pointblank observe the heavenly bodies.While Galileo became the first scientist to formulate the law of inertia and noted the moon had mountains and valleys similar to planet earth,extensively studied the moon's craters;kepler presented a comprehensive evidence that planets move in eliptical or in oval orbin with sun at the center,and that each planet move faster when closer to the sun.It was in kepler's time that the earth was a planet like other planets with his laws of planetary motion and that the same physical laws govern the universe.Galileo says:"A body remains in the state which it is in,at rest or in motion as long as no external force compels it to change its state".It is interesting to note that the laws of planetary motion and terrestrial motion propounded each by the two scientists were instrumental when combined to make Newtonian World Machine of the latter age possible.It should also be noted vividly