User:Ems57fcva/sandbox/theories of gravitation

Gravitation is the tendency of massive objects to accelerate towards each other. Its effects were first noticed by the ancients in the movement of the planets and the tendency of massive object to fall to the ground. Beginning with Aristotle, theories have proposed for how gravitation acts and the mechanism behind its occurance. As they became accepted, the newer theories of gravitation have been the subject of various scientific revolutions.