Fascinating on Nostr: Carl Sagan explains how the ancient Greeks knew the Earth was round and calculated ...
Carl Sagan explains how the ancient Greeks knew the Earth was round and calculated its circumference over 2,000 years ago.
Fascinating
npub1ckp…7tnx
2025-01-14 12:55:09
Author Public Key
npub1ckp277xl73p8qrk9ncshsefj5ur5cq973da3atycnwlky6vqd8xq5r7tnxPublished at
2025-01-14 12:55:09Event JSON
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