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2021
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How did earlier humans figure out that the earth is round, the moon revolves around the earth, and the earth revolves around the sun? Also, how did we calculate the size (volume and mass) of the earth, moon and sun?
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How did earlier humans figure out that the earth is round, the moon revolves around the earth, and the earth revolves around the sun? Also, how did we calculate the size (volume and mass) of the earth, moon and sun?
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