UF AST 1002 - The new astronomy (6 pages)

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The new astronomy



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The new astronomy

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Pages:
6
School:
University of Florida-Gainesville
Course:
Ast 1002 - Discover the Universe

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AST 1002 Slide Handouts Topic B Part 4 Page 1 Issac Newton 1643 1727 Topic B English Mathematician Scientist Head of Mint The New Astronomy Part 4 Newton Born 1 year after Galileo s death 13 years after Kepler s death Web Version 08 15 01 See Study Guide Fig 3 1 Dept Astronomy University of Florida Copyright H L Cohen 2001 Ver 081501 Issac Newton 1643 1727 Contributions Issac Newton 1643 1727 d x 2 2xdx dy dy Invented differential calculus 2 Dept Astronomy University of Florida Copyright H L Cohen 2001 Ver 081501 Defensive of discoveries Sometimes reluctant to credit others Robert Hooke may have provided some of his ideas Formulated laws of mechanics gravitation Philosophiae Naturalis Principia Mathematica 1687 Reluctant to publish Edmund Halley funded publication of Principia Theories of light color Opticks 1704 Invented Newtonian reflecting telescope Spent most of life on Alchemy theology biblical chronology 3 Dept Astronomy University of Florida Copyright H L Cohen 2001 Ver 081501 Kepler s Approach Kepler s Success Empirical Method Data Trial Error Laws Predictions Gradual adoption during 2nd half of 17th century Fit Data Yes Why Done Predictions much better No Tests finds valid for other planets besides Mars Newton provides cause allows basis for mechanics Tycho s Observations Dept Astronomy University of Florida Copyright H L Cohen 2001 Ver 081501 Copyright 2001 H L Cohen 4 Dept Astronomy University of Florida Copyright H L Cohen 2001 Ver 081501 5 Dept Astronomy University of Florida Copyright H L Cohen 2001 Ver 081501 6 Ver 081501 AST 1002 Slide Handouts Topic B Part 4 Page 2 Newton s Approach Newton s 2nd Law of Motion Theoretical Method Definitions Force etc Assumptions Law of Grav Solve Equations Defines relation between Force Mass Acceleration K s Laws Yes F mass x acceleration Done No The Effect Acceleration The Cause Force F Invents new math tools to aid solution result is development of the calculus The Mass Property of matter that resists acceleration



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