Ptolemy nationality

  • How did claudius ptolemy die

    • Ptolemy explained and extended Hipparchus's system of epicycles and eccentric circles to explain the Earth-centered theory of the world. Ptolemy's system involved at least

    What did ptolemy discover

  • Ptolemy pronunciation

    • Ptolemy contribution

      How did claudius ptolemy die
    What did ptolemy discover Ptolemy pronunciation
    Ptolemy contribution Ptolemy nationality