A conference by Prof. Costantino Sigismondi - Measuring Time with the Sun, The Astronomical Use of Basilicas in Italy

Apr 24, 2014 1178

A conference by Professor Costantino Sigismondi on measuring time with the sun. Through the construction of meridians (lines through which the sun crosses at noon) in Italian churches, increased precision and accuracy in solar astrometry was achieved.

From the Italian Renaissance through the 18th century the great basilicas of Italy were not only places of worship but also played an important role in the history of astronomy.

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Source: http://www.iicwashington.esteri.it

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