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Fleur's Place > Uraniborg, an Art + Music Collection > Galileo
       

this page honors Galileo Galilei (1564-1642)

Jupiter's moon Io

"It is true that their reasons for mistrust are very frivolous and childish, since they persuade themselves that I am so rash that in testing my instrument a hundred thousand times on a hundred thousand stars and other objects I have not known, or been able to recognize, these deceptions that they think they have recognized without ever having seen the instrument; or else, that I am so stupid that without any need I have wished to compromise my reputation and to ridicule my Prince. The spyglass is very truthful, and the Medicean planets are planets and, like the other planets, will always be."

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Quotation taken from Galileo's Sidereus Nuncius (Astronomical Message). The "Medicean planets" are now known as Callisto, Europa, Ganymede and Io.


       

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