Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
7.1
Points
2.0
Fiction/Nonfiction
Nonfiction
Word Count
13638
Points per Word
0.000147
Description
The World of Astronomy tells the story of the universe as we know it, exploring planets, moons, stars and galaxies, as well as the fascinating inventions and discoveries made by astronomers through the ages.