Question

Who said that our earth. is in sphere​

Answer 1

Pythagoras said that our Earth is sphere .

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Answer 2

Pythagoras. Early Greek philosophers alluded to a spherical Earth, though with some ambiguity. Pythagoras (6th century BC) was among those said to have originated the idea, but this might reflect the ancient Greek practice of ascribing every discovery to one or another of their ancient wise men.

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