Solar System Ls1
Published on Nov 19, 2015
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PRESENTATION OUTLINE
WHAT IS THE SOLAR SYSTEM
- The sun and all of the bodies that orbit around the sun
- Our current model is the sun centered or heliocentric model
Photo by zac.sonoio
ARISTOTLES MODEL
- He thought earth was the center of all things
- His model showed all other planets orbiting around earth
- A Greek philosopher
Photo by Pilar Torres
ARISTARCHUS MODEL
- A Greek astronomer
- Attempted to measure lengths between stars
- His measurements were off but helped in the future
Photo by BlueRidgeKitties
PTOLEMY MODEL
- He had the idea of "wheels on wheels"
- The celestial body rotated in perfect circles
- The earth is in the center
- An astronomer
COPERNICUS MODEL
- Believed The sun was the center
- Only some planets have "wheels on wheels"
- This model was used for many centuries
- A polish astronomer
Photo by - EMR -
KEPLER MODEL
- German astronomer
- Thought that the planets could not rotate in a perfect circle
- Found that planets orbit faster when closer to the sun
Photo by just.Luc
GALILEO
- Made a new type of telescope
- Found that more than one planet can be orbited
- A scientist who approached questions
Photo by tonynetone
