Reading Metrics
Grade Level
Upper Grades (UG 9-12)
Book Level
9.2
Points
4.0
Fiction/Nonfiction
Nonfiction
Word Count
20509
Points per Word
0.000195
Page Count
128
Points per Page
0.03125
Series
Profiles in Science
Description
This brief biography of English astronomer, geophysicist, mathematician, meteorologist, and physicist Edmond Halley profiles his life, interest in astronomy, and works which included calculating the orbit of Halley's Comet.