Johannes Kepler: Discovering the Laws of Celestial Motion
by Boerst, William J.
Series:Profiles in Science
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AR Book Level
9.0
AR Points
5
Word Count
25,511
Interest Level
Upper Grades (UG 9-12)
Genre
Nonfiction
AR Quiz #
129641 EN
About this book
This biography discusses the life of Johannes Kepler, the seventeenth-century German astronomer and mathematician who formulated the three laws of planetary motion.