Galileo Galilei

Galileo Galilei was born in Piza on 15th February 1564. He started to study at Piza University in 1581. When graduated he became a maths teacher at the university in 1589. Galileo thought Kopernik's theory about the world's shape was true. In 1610 Galilei discovered 4 moons of Jupiter. Galileo Galilei died on 8 January in 1642, when he was 77.

in the photo: Jupiter's 4 Galilean moons: Io, Europa, Ganymede, Callisto.


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