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Solar System

Published on Nov 20, 2015

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PRESENTATION OUTLINE

1.

SOLAR SYSTEM

  • The sun and all of the bodies that orbit the sun
  • Our current model is heliocentric
  • Solar system is also considered sun-centered
Photo by kevin dooley
2.

HELIOCENTRIC

  • Earth and other planets orbit the sun
  • Earliest models assumed earth was the center of the solar system
  • Sun, moon, and planets circled earth
Photo by Rhubarble
3.

GEOCENTRIC

  • Earth-centered was another name for it
  • Was more accepted until 16th century
Photo by Arjan Richter
4.

ARISTOTLE

  • Greek philosopher
  • Thought earth was the center of all things
  • His model had everything surround earth
Photo by maha-online
5.

PARALLAX

  • An apparent shift in position
  • Parallax cannot be seen with the naked eye
Photo by Tekniska museet
6.

ARISTARCHUS

  • Greek astronomer and mathematician
  • Proposed a heliocentric model of the solar system
  • Not widely accepted at the time
Photo by markkilner
7.

PTOLEMY

  • An astronomer, geographer, and mathematician
  • Lived in Alexandria, Egypt
  • His observations went 800 years back
Photo by Michiel2005
8.

COPERNICUS

  • Polish astronomer
  • Felt Ptoelemy's solar system model was too complicated
  • Was aware of Aristarchus's model
Photo by kevin dooley
9.

KEPLER

  • German mathematician and astronomer
  • Carefully analyzed each planet
  • Formulated 3 principles
Photo by NASA's Marshall Space Flight Center
10.

GALILEO

  • Italian mathematician, physicist, and astronomer
  • Demonstrated all body mass falling is at same rate
  • Made improvements to telescope
Photo by Oliver Quinlan

Thomas Leary