Uploaded July 2025 | Updated September 2026, 2 weeks ago

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📡 2,000 years ago, Hipparchus measured the stars and discovered the Earth’s precession.
Listen to this week’s episode of to learn how he helped map the cosmos with math and imagination.
Listen here: sites.libsyn.com/212183/repost-hipparchus-mapping-the-stars-measuring-the-earth
#Hipparchus #AncientAstronomy #MathInHistory #Astrolabe #ScienceHistory