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                                                  Galileo Galilei

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                                                  Galileo Galilei

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over time he discovered that the Moon-like phases of

Venus demonstrated that the neighboring planet had an orbit independent

of Earth. This showed conclusively that Venus circled the Sun, as Coper-

nicus thought, not Earth, as Ptolemy thought. Bu

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Galileo Galilei was born in Pisa, Italy, in 1564

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Died on January 9 1642 in Florence, Italy

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At the age of 31, Galileo showed his first interest in astronomy.

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Galileo was influenced by Danish astronomer Tycho Brahe

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He attended the University of Pisa

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                                     How his knowledge came to be

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                                     How his knowledge came to be

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Galileo would study mathematics which used to be a part of astronomy

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                                                     Our Universe

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                                                     Our Universe

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Galileo discovered several stars and planets through his own telescope