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100
Ptolemy
Earth was in center, in space. -
Period: 100 to
Scientific
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Apr 15, 1473
Copernicus
Earth was not in center, of space -
Brahe
Made measurement of, the solar system. -
Kepler
Was a german mathematician, astronomer, and astrologer -
Galileo
Studied the telescope, looked up in sky -
Newton
Discovered gravity, by an apple from tree falling on head.