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Meridian Line across the church

Basilica of Saint Mary of the Angels and Martyrs at the Diocletian Baths in Rome, the last great architectural project from the genius of Michelangelo.

Meridian Line built by Francesco Bianchini. Stability of the site over centuries is a requirement for high precision astrometry such as the inclination of the Earth axis over its orbit plan. The exact durations of a lunar month and a tropical year were other scientific tasks of this Meridian Line.

www.santamariadegliangeliroma.it/paginamastersing.html?co...

 

 

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Uploaded on September 30, 2016
Taken on September 8, 2016