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Unformatted text preview: 1632 Confession Wrote a book in Italian Church put him in house arrest Kepler (15711630) 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
 09:3010:50

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