Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
8.1
Points
2.0
Fiction/Nonfiction
Nonfiction
Word Count
12890
Points per Word
0.000155
Page Count
108
Points per Page
0.018519
Description
This book describes the discovery and observation of the planet Neptune and what has been learned about it, particularly from the Voyager spacecraft mission.