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Astronomers Through Time

ISBN-10: 0743905628
ISBN-13: 9780743905626
Author: Greathouse, Lisa
Interest Level: 4-8
Publisher: Teacher Created Materials

Publication Date: September 2007

Copyright: 2007

Page Count: 32

Series: Science Readers

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Interest Level

Grades 4-8

Reading Level

Guided Reading: S
Lexile: 650L
Accelerated Reader Level:
Accelerated Reader Points:
Grade Level Equivalent: 4

BISAC Subjects

Astronomy; Juvenile literature

Astronomy; Juvenile literature

Astronomy; Juvenile literature

Ancient astronomers looked at movements in the sun, moon, and stars to guide travelers and keep track of the seasons. Nicholas Copernicus was the first to challenge people's beliefs that Earth was the center of the solar system and is known as the founder of astronomy. Galileo Galilei built a telescope and spotted craters on the moon and sunspots on the sun. Isaac Newton invented the reflecting telescope and discovered the law of gravity. Astronomers continue to work every day to uncover the mysteries of the universe.