Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
4.9
Points
0.5
Fiction/Nonfiction
Nonfiction
Word Count
2833
Points per Word
0.000176
Page Count
32
Points per Page
0.015625
Series
X-treme Facts: Space
Description
Rockets, rovers, and space stations are just a few of the incredible space machines that have helped us explore our solar system and beyond.