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Tag: history of astronomy

Eratosthenes calculated Earth circumference
Forgotten Charismatic Figures

Eratosthenes Calculated Earth Circumference With Just a Stick and Pure Genius

Eratosthenes calculated Earth circumference Picture this. It’s around 240 BC. There are no satellites, no airplanes, no spinning globes sitting on office desks. Most people on Earth still believe, quite …

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  • Simon Bolivar: How One Man Liberated Six Nations With Sheer Willpower
  • 10 Charismatic Revolutionary Rebels: The Complete History Guide
  • Sun Tzu: The Mysterious General Whose Words Still Win Modern Wars
  • Cleopatra’s Strategic Mind: The Real Story Behind History’s Most Famous Romance
  • Leonidas: The Spartan King Who Chose 300 Men to Change History
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