In the year 1755 a German philosopher Immanuel Kant gave his own hypothesis about the origin of the earth and this hypothesis was based on Newton's law of gravity. Kant believed that initially the primordial matter was scattered and this primordial matter was made of cold, motionless, solid particles. Due to the gravity it collided with each other, which produced heat and this caused angular momentum and started rotating. Later on it became a hot nebula which started rotating due to which the speed started gradually increasing this rotation caused a strong centrifugal force and this produced rings of matter and when it cooled they formed planets and satellites.The rest leftover matter formed the sun. Kant had so much faith in himself that he said " Give me matter, and I will show you how to make a world of it."
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