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Unformatted text preview: 1632 Confession Wrote a book in Italian Church put him in house arrest Kepler (1571-1630) Denmark, poor family Assistant to Brahe Started supporting Brahe’s model COPERNICUS supporter Discoveries Plants revolve in elliptical orbits Kepler’s three laws: 1) The orbit of each planet is an ellipse with the Sun at one focus 2) In equal time intervals, a line from a planet to the Sun will sweep out equal areas 3) Periods (T) of planetary revolution are related to their distances (D) from the Sun (D cubed/ T squared = constant) Sir Isaac Newton (1642- 1727) Studied motion through Galileo Developed 3 Laws of Motion Used Kepler to develop Law of Uniform Gravitation • Together, these laws provide the mathematical framework for the Copernican System...
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- Fall '07