Circumference: Eratosthenes and the Ancient Quest to Measure the Globe
by Nicastro, Nicholas
Prefer borrowing? Open Library may have a digital copy too.
AR Book Level
11.2
AR Points
12
Word Count
56,220
Interest Level
Upper Grades (UG 9-12)
Genre
Nonfiction
AR Quiz #
149584 EN
About this book
This book examines the techniques used by Eratosthenes, an ancient Greek, who came up with a calculation to measure the circumference of Earth during an era when measuring distance was uncommon.