Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
6.2
Points
0.5
Fiction/Nonfiction
Nonfiction
Word Count
2894
Points per Word
0.000173
Page Count
48
Points per Page
0.010417
Description
This book examines the many methods astronomers have used to study our solar system, from the basic telescopes of the seventeenth century to today's advanced space probes. The coauthor is Dana Meachen Rau.