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Q: Who was the first to measure the circumference of earth?
- A. Erechtheus
- B. Aegeus
- C. Eratosthenes
- D. Apheldas
Correct Answer:
Option C - The first known person to calculate the circumference of the earth was the Greek astronomer Eratosthenes, during his lifetime between the 3rd and 2nd century BC. He observed the zero shadow at noon in Syene at the summer solstice and concluded that it was on the Tropic of Cancer.
C. The first known person to calculate the circumference of the earth was the Greek astronomer Eratosthenes, during his lifetime between the 3rd and 2nd century BC. He observed the zero shadow at noon in Syene at the summer solstice and concluded that it was on the Tropic of Cancer.
Explanations:
The first known person to calculate the circumference of the earth was the Greek astronomer Eratosthenes, during his lifetime between the 3rd and 2nd century BC. He observed the zero shadow at noon in Syene at the summer solstice and concluded that it was on the Tropic of Cancer.Address
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