GALILEI ELU Tegelased GALILEO GALILEI ANDREA SARTI PROUA SARTI, Andrea ema, Galilei majapidaja LUDOVICO MARSALI, rikas noormees HÄRRA PRIULI, Padua ülikooli kuraator SAGREDO, Galiei sõber VIRGINIA, Galilei tütar FEDERZONI, läätselihvija, Galilei kaastöötaja DOOD RAEHÄRRAD COSMO DE MEDICI, Firenze suurhertsog ÕUEMARSSAL TEOLOOG FILOSOOF MATEMAATIK VANEM ÕUEDAAM NOOREM ÕUEDAAM SUURHERTSOGI TEENER KAKS NUNNA KAKS SÕDURIT VANA NAINE PAKS PRELAAT KAKS ÕPETLAST KAKS MUNKA KAKS ASTRONOOMI VÄGA KÕHN MUNK VÄGA VANA KARDINAL PAATER CHRISTOPHER CLAVIUS, astronoom VÄIKE MUNK KARDINAL-INKVISIITOR KARDINAL BARBERINI, hiljem PAAVST URBANUS VIII KARDINAL BELLARMIN
His Dialogue Concerning the Two Chief World Systems, Ptolemaic and Copernican, was cleared by Church censors, one of whom was Galileo's former student, and was published at Florence in 1632. As the title suggests, Galileo grounded his manifesto in the form of a dialogue rather than a treatise. The dialogue, Galileo reasoned, was a device through which an argument for Copernican theory could be made without violating the papal decree of 1616. Two of the conversants Salviati and Sagredo are sympathetic to Copernican theory. Simplicio, the third participant, represents Aristotle and the Scholastics and is presented as fool. Galileo's enemies were quick to inform the Pope that the official cosmology of the Roman Catholic Church had been put in the mouth of Simplicio. The Pope ordered an investigation and so in August 1632, less than six months after it had appeared, the Inquisition banned further sales of the book. Galileo's book was placed on the Index of