affivev2 - Chapter Five Chapter Questions of the Who What...

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Chapter Five Chapter Five
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Questions of the Questions of the Who are Galileo Galilei and Isaac Newton? What sciences did they create? How did it help propel the Copernican Revolution?
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The Dark Times The Dark Times The Ptolemaic Model was accepted through out 100 B.C. to 1500 A.D. in the western world. His book the Almagest was the most widely read astronomy text and had an accuracy of 5˚ for predictions. Alfonso the Great, king of Spain, commissioned the Alfonsine Tables , based on the Ptolemaic models.
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Lunar Eclipse Lunar Eclipse
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Ptolemaic Model Ptolemaic Model
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What were the observations that What were the observations that caused the revision of physics? caused the revision of physics? The observations of phases of other planets. The observation of moons around other planets. The observations of inertia, free fall. The observations of central seeking forces. The observation of binary stars.
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What ideas needed to be adjusted What ideas needed to be adjusted to address the observations? to address the observations? Perfect Symmetry/Harmony Size of our Sun/Moon System Purely Geometrical Modeling
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What was the Copernican What was the Copernican Revolution? Revolution? Nicholas Copernicus Heliocentric Universe Motions of Earth and Planets Tycho Brahe Observations of Planets Observation of stars, astrometry Johannes Keppler Modeling Brahe’s observations Brings physics into astronomical models.
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Kepler’s First Law Kepler’s First Law
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Kepler’s Second Law Kepler’s Second Law
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Kepler’s Third Law Kepler’s Third Law Keplers Third Law Interactive
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Kepler’s Third Law Kepler’s Third Law 3 2 .) . ( ) ( a P U A in axis semimajor a years Earth in period P = = =
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Period of Venus Period of Venus years P P P P a P U A a 62 . 0 3784 . 0 3784 . 0 ) 7233 . 0 ( . . 7233 . 0 2 2 3 2 3 2 = = = = = = What is the period of Venus?
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Period of Mars Period of Mars What is the period of Mars?
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Who was Galileo Galilei? Who was Galileo Galilei? 1564-1642 A.D. Was the first to use a spyglass for a telescope, Siderius Nuncius Taught school in Padua, Italy http://www.comune.pisa.it/aziende-esternalizzazioni/images/galileo.jpg
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Galileo’s Observations Galileo’s Observations Spyglasses used for 300 years before Galileo. In 1609, Galileo constructed his first telescope Galileo observed mountains on the moon, moons around Jupiter, and stars with the telescope. In 1613, Galileo observed Venus had phases.
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Dialogue of Two Chief World Dialogue of Two Chief World Systems: 1623 Systems: 1623 A debate of the Copernican system versus the Ptolemaic system Galileo had political enemies due to his belief in the Copernican system.
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