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Explore the ancient calculations of Aristarchus of Samos and the astronomical instruments at Jantar Mantar in Jaipur, India, in this 42-minute video by Oxford Mathematician Dr Tom Crawford. Delve into the history of heliocentrism and learn how simple trigonometry can be used to estimate the relative distances of the Sun and Moon from Earth. Discover the complex calculations involving similar triangles during a Lunar Eclipse to determine the relative sizes of the Sun and Moon compared to Earth. Gain insights into the translation of Aristarchus' work and its potential accuracy. The video also provides a tour of Jantar Mantar's instruments and discusses the Zij-i-Muhammed Shahi, offering a comprehensive look at ancient astronomical knowledge and its modern implications.
