Galileo Galilei

  • Feb 15, 1564

    Galileo Galilei is born

    Galileo Galilei is born
    Born in Pisa, Italy
  • Aug 28, 1581

    Young Galileo is recognized by scholars

    Young Galileo is recognized by scholars
    He was proficient at the lute at and the organ at first, but later on enrolled at Pisa. His teaches recognized his intelligence and encouraged his interest in mathematics and science.
  • Galileo refines the experimental method

    Galileo refines the experimental method
    At the age of 22, he created a better scientific method written in the form of a treatise titled "La Bilancetta", meaning "The Little Balance".
  • Galileo first uses a telescope

    Galileo first uses a telescope
    Galileo looks into a telescope for the first time. He sees the moon, and the sight of its mountains and craters immediately impressed him. "Not robed in a smooth and polished surface, but is... rough and uneven, covered everywhere, just like the Earth's surface, with huge prominences, deep valleys, and chasms." -Galileo, 1609
  • Galileo discovers the moons of Jupiter

    Galileo discovers the moons of Jupiter
    These moons are Lo, Europa, Ganymede, and Callisto.
  • The telescope discloses the stars

    The telescope discloses the stars
    After his discovery of the moons of Jupiter, there was more stars than other discoveries. (Picture drawn by Galileo)
  • Galileo looses his eyesight

    Galileo looses his eyesight
    Galileo had lost his eyesight from observing the sun through a telescope.
  • Galileo travels to Rome for an audience with the Pope

    Galileo had no intention of becoming a professor at Pisa at this point.
  • Reasons why scholistics resisted Galileo's arguments

    Reasons why scholistics resisted Galileo's arguments
    Galileo thought that everyone would see through the telescope as he does, and the people did not believe that he was sticking to his facts.
  • When the three comets appear

    When the three comets appear
    The first three comets to be observed with the telescope, although they could be viewed by the naked eye alone.
  • Galileo writes "Theory of the tides"

    Galileo writes "Theory of the tides"
    To see Galileo's theory of the tides: Link text
  • Old traditions disintegrate in Galileo's time

    Old traditions disintegrate in Galileo's time
    The formerly coherent and solid Florentine moral universe was disintegrating, and Florence was no more a republic.
  • Galileo writes "Dialogue"

    Galileo writes "Dialogue"
    A discussion of celestial matter, terrestrial matter, motion, and the tides
  • Galileo lives under house arrest

    Galileo lives under house arrest
    He was confined in Arcetri and had many troublesome misfortunes of old age, although they did not prevent him from finishing his life in an atmosphere of serene and composed dignity.
  • Death of Galileo

    Death of Galileo
    Dies in Arcetri, Italy
  • The telescope becomes a tool of propaganda

    The telescope becomes a tool of propaganda
    The telescope's first disclosure was the new worlds in the firmament about which poet John Donne, only two years later, complained. Wherever he turned his glass, Galileo found new stars.