Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
7.1
Points
1.0
Fiction/Nonfiction
Nonfiction
Word Count
7050
Points per Word
0.000142
Page Count
48
Points per Page
0.020833
Description
This book introduces some of the major ideas in cosmology, such as quarks, hypothetical subparticles, pulsars, galaxies, the Big Bang theory, dark energy, and gravitational waves.