5.8 Ancient Astronomers Timetoast Timeline Instructions

By lyna brooks
  • 240 BCE

    Eratosthenes

    the earth was round
    He invented a system of longitude and latitude and made a map of the known world.
  • 150 BCE

    Claudius Ptolemy

    geocentric theory
    enabled astronomers to make accurate predictions of planetary positions and solar and lunar eclipses
  • Period: 1510 to 1543

    nicolaus copernicus

    heliocentric theory
    the first modern European scientist to propose that Earth and other planets revolve around the sun, or the Heliocentric Theory of the universe.
  • Nov 11, 1572

    tycho brahe

    C/1590 E1
    made accurate observations of the stars and planets

  • Johannes Kepler

    the Earth and planets travel about the sun in elliptical orbits.
    celestial harmonies that reflected God's design for the universe.

  • Sir Isaac Newton

    the universal law of gravitation.
    helped keep the planets rotating around the sun and creates the ebbs and flows of rivers and tides.
  • Period: to

    Albert Einstein

    the theory of relativity
    which revolutionized our understanding of space, time, gravity, and the universe.