A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
From: Noell Wilson
Date: 2016 Jan 31, 08:26 -0800
The right people looked at come clay tablets in the British Museum and recognized that Babylonian astronomers in the 350 to 50 B.C. Period described the unique motion of Jupiter across the sky with graphs of position versus time. "It was an abstract concept not known elsewhere at the time. 'It anticipates integral calculus.' "