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Haydn’s The Creation
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During the Scientific Revolution
Advances in Astronomy During the Scientific Revolution
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Constellations Ptolemy’s Drawing of the Universe Classical Greeks
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Nicholas Copernicus Polish 1473-1543 Founder of modern astronomy
Celestial observations No instrument
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Ptolemy vs. Copernicus
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Heliocentric Theory of the Universe
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1572 Discovers a supernova in constellation Cassiopeia Tycho Brahe
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Hans Lippershey Netherlands 1608
Spectacles maker invents the telescope
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Galileo Galilei 1564-1641 Italy
In 1609 he uses the telescope for astronomical purposes
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Discovers 4 of Jupiter’s Moons
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Studied Moon’s Craters
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Saturn’s Rings
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Milky Way & Universe
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Inquisition 1633 Pope Urban VIII put Galileo on trial
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Galileo’s Impact Application of mathematics to the study of motion
Focus not on why but how Observation & measurement: time, distance, acceleration Uncovered the fundamental relationship between distance and time
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“Philosophy is written in this grand book the universe, but one cannot understand unless one first learns to comprehend the language (mathematics).”
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Johannes Kepler 1571-1630 German astronomer
Known for his laws of planetary motion
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Law 1: Orbits are Elliptical
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Law 2: Speed of Planets It takes a planet the same amount of time to go from A to B as it does from C to D = the closer they are to the sun the faster planets move.
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The square of any planet’s orbital period is proportional to the cube of its mean distance from the sun Law 3: P2 = A3
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