Reading Metrics
Grade Level
Upper Grades (UG 9-12)
Book Level
6.5
Points
0.5
Fiction/Nonfiction
Nonfiction
Word Count
2268
Points per Word
0.00022
Page Count
32
Points per Page
0.015625
Series
Gateway Solar System
Description
Presents information on Mars, the reddish-orange planet, and its exploration by the U.S. spacecraft Mariner and Viking.