Reading Metrics
Grade Level
Middle Grades Plus (MG+ 6 and up)
Book Level
6.5
Points
1.0
Fiction/Nonfiction
Nonfiction
Word Count
7898
Points per Word
0.000127
Page Count
48
Points per Page
0.020833
Series
Mission: Space Science
Description
This book shares the history of the search for extraterrestrial life with technology such as telescopes, radio signals, and other systems.