Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
6.4
Points
1.0
Fiction/Nonfiction
Nonfiction
Word Count
5019
Points per Word
0.000199
Page Count
64
Points per Page
0.015625
Series
Smithsonian Science
Description
This book describes the origins, characteristics, and future of the Sun, planets, moons, asteroids, meteoroids, and comets.