Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
6.6
Points
1.0
Fiction/Nonfiction
Nonfiction
Word Count
4017
Points per Word
0.000249
Page Count
32
Points per Page
0.03125
Description
Using an imaginary journey, this introduction to asteroids, comets, and meteors describes the space rocks, reviews the history of exploration, and discusses whether humans could live on asteroids or comets.