غاليليو غاليلي

معلومات مؤرّخة

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1. 1564Galileo Galilei was born on 15 February 1564 in Pisa, then part of the Duchy of Florence, son of the lutenist and music theorist Vincenzo Galilei.
2. 1589He was appointed to the chair of mathematics at Pisa in 1589 and taught at the University of Padua from 1592 until 1610.
3. 1610From 7 January 1610 he observed Jupiter's four largest moons, naming them the Medicean stars after Cosimo II de' Medici.
4. 1610He published his first telescopic observations in Sidereus Nuncius (Starry Messenger) in March 1610, and later that year observed the phases of Venus.
5. 1632His Dialogue Concerning the Two Chief World Systems (1632) defended heliocentrism and alienated Pope Urban VIII.
6. 1633In 1633 the Inquisition found him "vehemently suspect of heresy" and forced him to recant; he spent the rest of his life under house arrest.
7. 1634From 1634 he lived at his villa at Arcetri near Florence, where he wrote Two New Sciences (1638), published in Holland.
8. 1638Completely blind from 1638, he died on 8 January 1642, aged 77, following a fever and heart palpitations.