At age 28, in 1592, he moved to Padua, which was in the Venetian Republic. There he married Marina Gamba, 21 years old. They had three children. In 1610 Galileo, at age 46 developed the telescope, which led to many discoveries such as mountains on the moon, the moons of Jupiter, and phases of Venus. After these discoveries Galileo landed the job of mathematician and philosopher to the grand duke of Tuscany and returned to his homeland.

The discovery of the telescope and all that it has proved strongly favored Copernicus' view that the sun is at the center of the world and that the sun does not circl

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Approximate Word count = 1072
Approximate Pages = 4 (250 words per page double spaced)