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OCR: DISCOVERY OF GRAVITY TTIS SAID THAT seeing an apple fall gravitation. This explains how the off tree made Newton realize com bination ol the moon forward that the force of gravity that pulled movement and the pull of the the apple to the Earth also kept the Earth's gravity causes the moon moon orbiting the Earth. This led revolve around the Earth, iust him to develop the law of universal all the planets orbit the sun Orbital observations Weak field The pull gravity keeps the of gravity moon orbit around the Earth The Earth is held in orbit around the sun 17 Strong field the same way The closer of gravity planet iS to the sun, the greater the sun pullot gravity on tt GRAVITATION lofthe just eravity beld