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100
Ptoemy
Earth center solar system no telescope. -
Apr 15, 1473
Copernicus
Sun center solar system used a telescope. -
Apr 17, 1564
Brahe
Supernova earth centered and sun centered -
Apr 18, 1564
Galileo
Improved the telescope ;observe the Moon -
Kepler
Planetary motion not circle elliptical planets -
Newton
Creating the laws of motion ; mathematics