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    • Copernican's Sun-centred model of the universe.
    Rights: The University of Waikato Te Whare Wānanga o Waikato Published 27 March 2013 Size: 760 KB Referencing Hub media

    Over time, Ptolemy’s model was developed into a complex and cumbersome mathematical system. Copernicus was able to simplify it by switching from an Earth-centred model to a Sun-centred one.

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