npub1zdp33shl69xr0uq3x8n5gsjykq9upycwh6nqm02c3f6x0frrn0dq42vqv8 (npub1zdp…vqv8) if u assume earth is sphere, then look at shadow of earth on moon during lunar eclipse and try to determine if it looks like circular shadow on flat surface or on a sphere (should be warped at edges?) i have not tried this yet.
there are ancients who ASUUMED it was sphere as that is perfect shape.
you don't think EVERY age had wonderful things to tell their kids?
Barry Goldman /
npub1t0…cvvs2
2023-08-25 23:21:20
in reply to nevent1q…ux4y
Author Public Key
npub1t0ye3wtqvsmce7y20yvm6qkm3nlwu59utmkwlr49uvac9dc99f9q2cvvs2Published at
2023-08-25 23:21:20Event JSON
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