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Synopsis
Between 1650 and 1750, four Catholic churches were the best solar observatories in the world. Built to fix an unquestionable date for Easter, they also housed instruments that threw light on the disputed geometry of the solar system, and so within sight of the alter, subverted church doctrine about the order of the universe. A tale of politically canny astronomers and cardinals with a taste for mathematics, this text tells how these observatories came to be, how they worked, and what they accomplished. It describes Galileo's political overreaching, his subsequent trial for heresy, and his slow and steady rehabilitation in the eyes of the Catholic Church. And it offers an enlightening perspective on astronomy, church history, and religious architecture, as well as an analysis of measurements testing the limits of attainable accuracy, undertaken with rudimentary means and extraordinary zeal. Above all, the book illuminates the niches protected and financed by the Catholic Church in which science and mathematics thrived.
About the Author
J. L. Heilbron, formerly Professor of History and the Vice Chancellor at the University of California at Berkeley, is a Senior Research Fellow at Worcester College, Oxford. The author of many books, including The Sun in the Church (Harvard), he was awarded the George Sarton Medal by the History of Science Society in 1993 for his contributions to the field.
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