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Home Q & A Board Science-Related Homework Help Physics
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Tsync Tsync
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8 years ago
The Earth's circumference was first determined by:
A) Aristotle using lunar eclipses.
B) Aristarchus with first and third quarter Moon timings.
C) Pythagoras with geometry.
D) Erastothenes with solstice shadows.
E) Hipparchus with stellar parallaxes.
Textbook 
Astronomy Today

Astronomy Today


Edition: 8th
Authors:
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Minoring in physics
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RatatouilleRatatouille
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8 years ago
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Tsync Author
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#2
8 years ago
Wonderful, thanks for your time and effort
Minoring in physics
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#3
8 years ago
Slight Smile
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