Timeline of Astronomy and Telescopes

By Julia.Juelich
  • 190

    Ptolemy

    Born: 90AD
    Where: Egypt
    Discovered: Geocentric Theory
    (didn't let me do 90AD)
  • Feb 19, 1473

    Copernicus

    Born: Febuary 19th, 1473
    Where: Poland
    Discovered: The sun was the middle of the universe.
  • Dec 14, 1546

    Brahe

    Born: December 14th, 1546
    Where: Sweden
    Discovered: The sun doesn’t revolve around the Earth.
  • Feb 15, 1564

    Galileo

    Born: Febuary 15th, 1564
    Where: Italy
    Discovered: The earth wasn’t actually the center of the universe.
  • Dec 27, 1571

    Kepler

    Born: December 27, 1571
    Where: Germany
    Discovered: The planets did not move at a constant speed. A planet closer to the sun in its orbit, moves faster and farther along its elliptical arc.

  • The spyglass is invented.

    Who: Jacob Metius
    When: 1608
    Where: Netherlands

  • The first reflecting telescope is built.

    Who: Newton
    When: 1680s
    Where: United Kingdom

  • Spiral nebulae are discovered.

    Who: Lord Rosse
    When: 1845
    Where: United Kingdom/Republic of Ireland

  • The first permanent solar telescope is built.

    Who: George Ellery Hale
    When: 1904
    Where: Mount Wilson

  • The first radio telescope is built.

    Who: Grote Reber
    When: 1937
    Where: Illinois
  • Period: to

    Astronomy