He Saw a New Star and Invented Trigonometry

“We are star stuff which has taken its destiny into its own hands.”  Carl Sagan, Cosmos The year 134 BCE was a momentous date in the life of Hipparchus.  In that year, he observed a rare phenomenon, a star in the constellation of Scorpio.  And it was not just any star; it was a new star,Continue reading “He Saw a New Star and Invented Trigonometry”