Haydn

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Haydns The Creation
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Advances in Astronomy

• During the Scientific Revolution

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Classical Greeks

• Constellations
• Ptolemys Drawing of the Universe

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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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Tycho Brahe

• 1572
• Discovers a supernova in constellation Cassiopeia

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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 Jupiters Moons
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Studied Moons Craters
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Saturns 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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Galileos 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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Law 3 P2 A3

• The square of any planets orbital period is
  proportional to the cube of its mean distance
  from the sun

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