Universe
Universe
11th Edition
ISBN: 9781319039448
Author: Robert Geller, Roger Freedman, William J. Kaufmann
Publisher: W. H. Freeman
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Chapter 3, Problem 14CC
To determine

Whether the Earth was assumed to be larger, smaller, or approximately the same size, if Eratosthenes had found that the sun’s noontime summer solstice altitude at Alexandria had great proximity to directly overhead.

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