Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
5.8
Points
1.0
Fiction/Nonfiction
Nonfiction
Word Count
4309
Points per Word
0.000232
Page Count
32
Points per Page
0.03125
Description
Using imaginary journeys, this introduction to the outer planets identifies where they are in the solar system, describes conditions on the planets, reviews the history of exploration of these planets, and discusses if humans could live on them.