Newton's Forgotten Lunar Theory

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The book delves into the historical and analytical exploration of Newton's lunar theory from 1702, revealing its foundational role in 18th-century astronomical tables and its continued use in China into the 20th century. It highlights how the theory was adapted and integrated into Newton's 1713 Principia, featuring a crucial correction that enhanced its accuracy. Kollerstrom uncovers how Halley employed this refined theory to calculate lunar positions with remarkable precision, achieving accuracy under one arcminute, which was pivotal for the longitude prize.