Isaac Newton was an English scientist and mathematician who lived from 1643 to 1727 and made major contributions to science, including the laws of motion and the law of gravity. According to the famous story, Newton saw an apple fall from a tree, which made him wonder why objects always fall straight down toward the Earth. Although the apple likely did not hit his head, the moment inspired him to think deeply about gravity and how it might also affect the motion of the Moon and planets. This cur