Nicolaus Copernicus

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Issue:

History

 

Written by:

Jamie B

 

Date added:

January 20, 2015

 

Level:

University

 

Grade:

A

 

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4 / 867

 

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5638 times

 

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Essay content:

A Greek astronomer named Ptolemy had his own theory of the earth and its relationship with the sun and other planets. Around 140 AD, he came up with a system that showed the earth at the center of the universe with the sun and planets revolving around it in a spherical shape (Reichenbach 15-17). Ptolemy also believed that the earth remained still and that the outermost sphere contained the stars, which were fixed in space (Westman)...
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Ptolemy also believed that the earth remained still and that the outermost sphere contained the stars, which were fixed in space (Westman). Copernicus's theory showed the earth and other planets revolving around the sun in a circular motion. At the same time, the moon is rotating around the earth as well...
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