LRI4632388 Page of ??????Sidereus Nuncius??????in which Galilee names the four stars as Medicea Sidera or Pianeti Medicei (Planetes mediceennes): manuscript by the Italian astronomer and physicist Galileo Galilei dit Galilee (1564-1642) wrote for Cosimo de Medicis (Cosimo II de \'Medici) where he exhibits his discovery of satellites of Jupiter used successively 1610 Florence, Biblioteca nazionale - Page of ??????Sidereus Nuncius?????????? in which the Italian astronomer and physicist Galileo exposes his discovery of the four satellites of Jupiter, the Medicean Planets, successively used to confirm his thesis of heliocentrism. Manuscript by Galileo Galilei called Galileo (1564-1642), written for Cosimo de Medici, 1610. Florence, Biblioteca Nazionale by Galilei, Galileo (1564-1642); Biblioteca Nazionale Centrale, Florence, Italy; (add.info.: Page of ??????Sidereus Nuncius??????in which Galilee names the four stars as Medicea Sidera or Pianeti Medicei (Planetes mediceennes): manuscript by the Italian astronomer and physicist Galileo Galilei dit Galilee (1564-1642) wrote for Cosimo de Medicis (Cosimo II de \'Medici) where he exhibits his discovery of satellites of Jupiter used successively 1610 Florence, Biblioteca nazionale - Page of ??????Sidereus Nuncius?????????? in which the Italian astronomer and physicist Galileo exposes his discovery of the four satellites of Jupiter, the Medicean Planets, successively used to confirm his thesis of heliocentrism. Manuscript by Galileo Galilei called Galileo (1564-1642), written for Cosimo de Medici, 1610. Florence, Biblioteca Nazionale); Luisa Ricciarini; Italian, out of copyright.