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Astronomy

Published on Nov 18, 2015

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PRESENTATION OUTLINE

1.

IMPORTANT ASTRONOMERS

BY AUSTIN JOHNSON
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2.

ARISTOTLE

  • He believed the universe is finite
  • The universe was very simple
  • The earth is spherical
  • The height changing as we move
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3.

PTOLEMY

  • The earth was the center of the universe
  • He proved how the sun, the moon, and the planets moved
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4.

COPERNICUS

  • There was a central other then the sun in the middle of the universe
  • The earth was not the center of the universe
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5.

KEPLER

  • Three laws of planetary motion
  • Found how mars orbited the sun
  • Found the Kepler nova
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6.

GALILEO

  • Concluded the Kepler nova is a star
  • Made a 30x telescope
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Austin Johnosn