• CanadaPlus@lemmy.sdf.org
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    1 day ago

    And how big it is, and how big and far away the moon is, and wrote a decent guess at the distance and size of the sun (but made a measurement error with that one).

    Before that, the controversy was if it’s a cylinder with the ends to the east and west. Anyone with eyes for stargazing can see they’ve obviously rotated when they move a significant distance north-south, and that means anyone with long distance trade.