Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
4.7
Points
0.5
Fiction/Nonfiction
Nonfiction
Word Count
1902
Points per Word
0.000263
Page Count
48
Points per Page
0.010417
Series
Super Science Facts
Description
Readers learn about stars, black holes, dark matter, and other things that make up galaxies.