Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
7.1
Points
1.0
Fiction/Nonfiction
Nonfiction
Word Count
6891
Points per Word
0.000145
Page Count
64
Points per Page
0.015625
Series
Explore the Solar System
Description
This introduction to galaxies and the universe includes information about their formation and features.