• Amberskin
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    4 days ago

    No, they didn’t.

    Earth shape has been known at least since the classic Greek times, and probably even before that in non-western civilizations.

    • marcos@lemmy.world
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      4 days ago

      The rough shape has been known for some 3000 years before the classic Greek times.

      But I don’t know how the precision evolved. I know the Greek measured it to some 5% precision.