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Copernicus and Galileo: Explorers of Science

Copernicus and Galileo: Explorers of Science
Reading Level
     edHelper's suggested reading level:   grades 3 to 5
     Flesch-Kincaid grade level:   5.15

Vocabulary
     challenging words:    basis, explorer, education, shocked, revolution, beginning, interesting, wealthy, attend, person, university, marked, math, correct, surface, eastern
     content words:    Modern Science

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Copernicus and Galileo: Explorers of Science
By Mary Lynn Bushong 		  
1     What kind of person is an explorer? Is it someone who goes to new places? Sometimes they do. Some explorers never leave home. They explore the world around them in thought.
 
2     Two of those men you might have heard of before. Their names are Copernicus and Galileo. Both of these men used the knowledge of Arab, Greek, and Indian astronomers. They introduced them in Europe.
 
3     Copernicus was born in February 1473, in Poland. He read about the eastern astronomers. They thought the earth that was not the center of the solar system. The sun was. It was called the heliocentric (sun-centered) system.
 
4     Young Copernicus was orphaned by the time he was ten years old. He was raised by his uncle and given an education. He studied to be a doctor, lawyer, mathematician, and cleric. He did not stop there. He also became an astronomer, governor, diplomat, and economist.

Paragraphs 5 to 14:
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