Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
6.7
Points
1.0
Fiction/Nonfiction
Nonfiction
Word Count
5043
Points per Word
0.000198
Page Count
32
Points per Page
0.03125
Series
Humans in Space
Description
This book discusses the purpose and evolution of space stations, which are spacecraft that circle Earth dozens of times a day, and details the people and technology that make occupation of these research facilities possible. The coauthor is Mat Irvine.