Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
4.8
Points
1.0
Fiction/Nonfiction
Nonfiction
Word Count
3891
Points per Word
0.000257
Description
This book explains how humans began their queries with nothing but the naked eye, yet have advanced their searches among the stars using mathematics, science, space probes, powerful telescopes, and spacecraft.