The Wonder of Our Solar System

The Wonder of Our Solar System
ISBN-10
1433390906
ISBN-13
9781433390906
Category
Juvenile Nonfiction
Pages
32
Language
English
Published
2007-09-21
Publisher
Teacher Created Materials
Author
Lisa Greathouse

Description

People once believed that Earth was the center of the solar system. Scientists finally learned that Earth is one of at least eight planets in our solar system and that they all travel around the sun. Astronomers now know that our solar system is almost 5 billion years old and is part of at least 100 billion galaxies in the universe. Earth is the only planet known to have life and water. Scientists continue to discover new planet-like objects, called dwarf planets, all the time!

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