Question

Who discovered earth?​

Answer 1

Answer:

Explanation:

Eratosthenes

Eratosthenes then measured the angle of a shadow cast by a stick at noon on the summer solstice in Alexandria, and found it made an angle of about 7.2 degrees, or about 1/50 of a complete circle. He realized that if he knew the distance from Alexandria to Syene, he could easily calculate the circumference of Earth.,

Answer 2

Eratosthenes

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