Carl Sagan on Eratosthenes 3rd century BC
from the original "Cosmos" TV series on PBS
#videoclip
#PopularScience vs #FlatEarthers
#EvidenceBasedConclusions
#CulturalMemory
#ClassicalAlexandria
0
0
1
0
#EvidenceBasedConclusions
Posts tagged #EvidenceBasedConclusions on Bluesky