15 Sci Rev Slides

15 Sci Rev Slides - 4/17/2009 1 And yet it does move!: And...

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Unformatted text preview: 4/17/2009 1 And yet it does move!: And yet it does move!: The Scientific Revolution The Scientific Revolution A 1620 copper engraving depicting Pillars of Hercules The Empyrean Heaven, part of the Ptolemaic System Copernican Revolution Nicolaus Copernicus & his heliocentric conception of the universe 4/17/2009 2 Johannes Kepler (1571 1630), Tycho Brahes system, and the elliptical movement of the planets around the sun that Kepler discovered Keplers Laws of Planetary Motion: 1. Planetary orbits elliptical, not circular 2. Planets move faster when nearer the sun 3 L b i t l 3. Larger orbits = slower revolutions So What? Disproved geocentrism Disproved circular orbits Disproved uniform motion Galileo Galileis study of the moons topography Galileos descriptive records of the moon and heavens sparked more interestand raised more eyebrows than Copernicus and Keplers mathematics 4/17/2009 3 In his Dialogue between the Ptolemaic and Copernican supporters, the Copernicans won outbut Galileos victory cost him his freedom to move about and publish, if not to work privately: if not to work privately: Galileo and Planetary Motion: Uniform force = faster motion Motion is as natural as rest (Sir) Isaac Newton and his Principia, described as the greatest mental effort ever made by one man. Newtons calculus created a new cosmology: Book I: Newtons Laws of Motion 1. Every object at rest or moving straight unless bumped 2 The bigger the force the greater the...
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15 Sci Rev Slides - 4/17/2009 1 And yet it does move!: And...

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