Before Newton they believed that every thing went around the earth, they saw the sun come up in the east then go down in the west so it looked like the sun went around the earth the planets and moon looked like they went around the earth as well.
He was the first to understand that gravity held the planets and moons in orbit. Kepler before him had once thought it might be magnetism, but that's as close as anyone came to the truth until Newton.
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Before Newton they believed that every thing went around the earth, they saw the sun come up in the east then go down in the west so it looked like the sun went around the earth the planets and moon looked like they went around the earth as well.
He was the first to understand that gravity held the planets and moons in orbit. Kepler before him had once thought it might be magnetism, but that's as close as anyone came to the truth until Newton.