Copernicus's model is called sun-centered or heliocentric. In it, he challenges centuries-old science based on the teachings of Aristotle and Ptolemy, who thought the Earth was at rest at the ...

Ptolemy’s model and many earlier ideas of the Solar ... get very complex in order to keep the Earth at the centre. Nicolas Copernicus (1473-1543) is generally credited with changing the model ...

Copernicus’s model is called sun-centered or heliocentric. In it, he challenges centuries-old science based on the teachings of Aristotle and Ptolemy, who thought the Earth was at rest at the ...

Copernicus’s model is called sun-centered or heliocentric. In it, he challenges centuries-old science based on the teachings of Aristotle and Ptolemy, who thought the Earth was at rest at the ...