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English

It is fair to say that al-Tusi made the most significant development of Ptolemy 's model of the planetary system up to the development of the heliocentric model in the time of Copernicus .

Tagalog

Ito ay makatarungan sa sabihin na al-Tusi ginawa ang pinaka-makabuluhang pag-unlad ng Ptolemy 's modelo ng pamplaneta sistema hanggang sa pag-unlad ng heliocentric modelo sa oras ng Copernicus.