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Ptolemy

By Bclark37
  • 150 BCE

    Almagest

    Almagest
    The study of planets through mathmatics. This is the theory that the Earth is stationary and at the center of the Universe. All the planets, stars and the Sun revolve around the Earth.
  • 150 BCE

    Hypotheseis tōn planōmenōn

    Hypotheseis tōn planōmenōn
    In this work he proposed what is now called the Ptolemaic system—a unified system in which each heavenly body is attached to its own sphere and the set of spheres nested so that it extends without gaps from Earth to the celestial sphere
  • 150 BCE

    Math

    Math
    He had a helping hand in trigonometry.
  • 150 BCE

    Geōgraphikē hyphēgēsis

    Geōgraphikē hyphēgēsis
    He came up with the techniques that is requred to create and draw out a map. He came up with longitude and latitude.
  • Period: 100 BCE to 170 BCE

    Biography

    Not much is known about his personal life. But through his work they can guess that he passed away in 170 BCE
  • 100

    Born

    He was born in Egypt in 100 AD
  • 160

    Died

    He died in 160 AD