Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
6.1
Points
1.0
Fiction/Nonfiction
Nonfiction
Word Count
7241
Points per Word
0.000138
Page Count
48
Points per Page
0.020833
Description
Scientists have discovered that stars are not equal. They vary in size and color. Variable stars change in brightness over the course of hours, days, weeks, or years. Groups of stars in the sky make patterns called constellations.