Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
6.6
Points
1.0
Fiction/Nonfiction
Nonfiction
Word Count
4476
Points per Word
0.000223
Page Count
48
Points per Page
0.020833
Series
KidHaven Science Library
Description
Chronicles the twin NASA rovers as they roll across the Martian landscape, following the mission from launch through the rovers' daily work on the Red Planet. It explains how the robots perform experiments, navigate extreme conditions, and transmit data back to Earth while searching for water and signs of past life. Each discovery reshapes scientists' understanding of Mars, showing how these unmanned explorers push the boundaries of planetary science.