ITALY - JANUARY 26: The library at Castel Gandolfo contains more than 22,000 volumes and possesses a valuable collection of rare antique books including works of Copernicus, Galileo, Newton, Kepler, Brahe, Clavius, and Secchi. In addition there is a unique meteorite collection from which a knowledge of the early history of the solar system is being derived. Research results are published in international journals. The Vatican Observatory, one of the oldest astronomical research institutions in the world, has its headquarters at the papal summer residence in Castel Gandolfo, Italy on January 26, 2008. (Photo by Eric VANDEVILLE/Gamma-Rapho via Getty Images)
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Gamma-Rapho Eric VANDEVILLE