Lecture11 - Signature Course UGS 303 (Fall 2009) Galileo...

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1 The History and Philosophy of Astronomy (Lecture 11: Galileo I) Instructor: Volker Bromm The University of Texas at Austin Department of Astronomy Signature Course UGS 303 (Fall 2009) Galileo Galilei: The First Scientist 1564 (Pisa) – 1642 (Arcetri) • founder of modern physics - law of inertia - law of free fall • Frst astronomer to use telescope • The “Trial of Galileo” (con±ict with Catholic Church) Galileo: Timeline and Context • between Copernicus and Newton • contemporary of Kepler and Tycho Born in Pisa (1564) • Pisa: part of Grandduchy of Tuscany • University town
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2 Professor in Pisa (1589-92) • Professor of mathematics (badly paid) • New laws of motion (inertia, free fall) Philosophy of Science: Two Traditions 2) Archimedes 1) Aristotle (287-212 BC) Archimedes of Syracuse (287 – 212 BC) “Give me a place to stand, and I will move the Earth” • eminent engineer, mathematician, and scientist! Philosophy of Science: Two Traditions 2) Archimedes 1) Aristotle • philosophy most important • mathematics secondary • “laws” of nature based on common sense and intuition • unlimited scope • truth by arguing its plausibility • search for causes • physics most important • mathematics essential • laws of nature based on simple mathematical principles • limited scope • truth by experience (carry out experiments) • Galileo strongly follows Archimedean tradition!
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3 Professor in Pisa: Laws of Free Fall
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This note was uploaded on 12/18/2010 for the course UGS 303 taught by Professor Foster during the Spring '08 term at University of Texas at Austin.

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Lecture11 - Signature Course UGS 303 (Fall 2009) Galileo...

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