Reading Metrics
Grade Level
Lower Grades (LG K-3)
Book Level
4.0
Points
0.5
Fiction/Nonfiction
Nonfiction
Word Count
1497
Points per Word
0.000334
Page Count
32
Points per Page
0.015625
Description
This book reviews the history of Earth's observation of the red planet since ancient times, explores the results of modern scientific studies carried out by telescope, satellite, and landing probe, and speculates on a future human landing.