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BeginnerThe Mars Effect: Gauquelin and the Strange Statistics of Astrology
Two French researchers spent decades counting birth records and reported that champion athletes were born with Mars in two narrow zones of the sky. What followed was seventy years of replication attempts, one genuine scandal, and no settled answer.
7 min read·Aug 7
BeginnerThe Metonic Cycle: Why the Moon Repeats Every Nineteen Years
Nineteen solar years and 235 lunar months come out within two hours of each other. That near-coincidence built the calendars, sits in the gears of the Antikythera mechanism, and brings your birth lunation back roughly every nineteenth birthday.
7 min read·Aug 7
BeginnerSacrobosco's De Sphaera: the textbook that mapped the medieval cosmos
How a short 13th-century textbook taught Europe the geometry of the sky shared by astrology and astronomy for 400 years.
7 min read·Jun 24