Galileo Galilei By gaabrielaaa.xx Feb 15, 1564 Galileo is born Period: Feb 15, 1564 to Jan 9, 1642 Galileo Galilei's Life Jan 1, 1581 Studies at the university of Pisa Jan 1, 1597 Reads a book by a German astronomer Jan 1, 1610 Observes Jupiters moons Jan 1, 1632 Publishes Dialogue Concerning the Two Chief World Systems Jan 1, 1633 Convicted of heresy- Sentenced to house arrest Jan 1, 1637 Publishes DIscourses and Mathematical Demonstrations Feb 9, 1642 He dies in Florence Italy