what did copernicus invented?
Copernican heliocentrism
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 The Aristotelian model was accepted in the Western world for roughly two millennia , until Copernicus revived Aristarchus 's perspective that the astronomical data could be explained more plausibly if the earth rotated on its axis and if the sun were placed at the center of the Universe . 

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 The Greek astronomer Aristarchus of Samos was the first known individual to propose a heliocentric model of the Universe . Though the original text has been lost , a reference in Archimedes ' book The Sand Reckoner describes Aristarchus 's heliocentric model . Archimedes wrote : ( translated into English ) : 

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 The Natural History became a model for later encyclopedias and scholarly works as a result of its breadth of subject matter , its referencing of original authors , and its index . The work is dedicated to the emperor Titus , son of Pliny 's close friend , the emperor Vespasian , in the first year of Titus 's reign . It is the only work by Pliny to have survived and the last that he published . He began it in 77 , and had not made a final revision at the time of his death during the AD 79 eruption of Vesuvius . 

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 Cicero ( 106 – 43 BC ) mentions Archimedes briefly in his dialogue De re publica , which portrays a fictional conversation taking place in 129 BC . After the capture of Syracuse c . 212 BC , General Marcus Claudius Marcellus is said to have taken back to Rome two mechanisms , constructed by Archimedes and used as aids in astronomy , which showed the motion of the Sun , Moon and five planets . Cicero mentions similar mechanisms designed by Thales of Miletus and Eudoxus of Cnidus . The dialogue says that Marcellus kept one of the devices as his only personal loot from Syracuse , and donated the other to the Temple of Virtue in Rome . Marcellus ' mechanism was demonstrated , according to Cicero , by Gaius Sulpicius Gallus to Lucius Furius Philus , who described it thus : 

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 Another important development was in the process for discovery , the scientific method , focusing on empirical evidence and the importance of mathematics , while discarding Aristotelian science . Early and influential proponents of these ideas included Copernicus , Galileo , and Francis Bacon . The new scientific method led to great contributions in the fields of astronomy , physics , biology , and anatomy . 
