ASTR101 Final Exam (Introduction to Astronomy) — Flashcards | Astronomy | FatSkills

ASTR101 Final Exam (Introduction to Astronomy) — Flashcards

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MCQS on an introductory look at our understanding of the universe and how this understanding has changed from Ancient Greece through today.
 

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How was Eratosthenes able to determine the approximate circumference of the earth?
By measuring the angle the sun made with the vertical at a time when it was known to be directly overhead in a distant city.
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