Galileo Galilei was an Italian astronomer, physicist, engineer, philosopher, and mathematician who played a major role in the scientific revolution of the seventeenth century. Galileo was born on February 15 1564, Pisa, Italy, and died on January 8, 1642, Arcetri, Italy. He lived in Italy his whole life. He not only discovered space but he also invented the telescope, the pendulum clock, the sector, and many more. Galileo discovered that Mercury and Venus passed through phases just like the moon, he also discovered Jupiter’s four moons. Galileo wasn’t respected because for his discoveries he spent the last 8 years of his life under house arrest. Galileo is most famous for his discoveries of Jupiter’s four moons. Lo, Ganymede,
