How do we know Earth is round?

Examines mankind's early perception of Earth being flat and how we know today the Earth is round. Explores how stars, shadows, and gravity prove the Earth is round. Includes a quiz, a glossary, resources for further information, and color photographs.

9781499408638
book
Lexile: 
850

Holdings

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226902158163002461776728649205HIHS255HIHS055051525 WOO52516159208261742569409