Reading Metrics
Grade Level
Upper Grades (UG 9-12)
Book Level
10.2
Points
4.0
Fiction/Nonfiction
Nonfiction
Word Count
20087
Points per Word
0.000199
Page Count
112
Points per Page
0.035714
Description
This book presents an investigation of asteroids and comets, discussing ancient beliefs about the appearance of comets, their demystification with the emergence of modern astronomy, how they formed, and their different types and composition.