Galileo

Galileo is born

Feb 15, 1564

Galileo is born to musician, Vencenzo Galilei

Galilei Family moves to Florence

Mar 5, 1574

Galileo moves to Florance and attends the monastery of Vallombrosa

Enters the University of Pisa to study medicine

Mar 6, 1581

Galileo sees a lamp swaying in a church and discovers his theory pendolums.

Tuscan Court

Mar 6, 1584

Liking mathematics and geometry, Galileo takes classes from Ostilio Ricci, a teacher in the Tuscan Court.

Leaves University of Pisa

Mar 6, 1585

Galileo is forced to leave the University of Pisa because of lack of funds without completing his degree.

Hydrostatic Balance

Mar 6, 1586

He writes an essay on the Hydrostatic Balance, a device used to measure the mass of objects.

Center of Gravity in Solids

Mar 6, 1589

Writes paper on Center of gravity in solids and is offered a job as a lecturer at the University of Pisa.

Theory of Motion

Mar 7, 1589

(1589-1592)
Galileo did not believe Aristotle's theory that different weights fall at different rates

University of Padua

Mar 7, 1592

GIven the chair of mathematics at the University of Padua, where he stayed until 1610 and did most of his work

Writes a letter to Johannes Kepler

Mar 7, 1597

HIs letter supported his theory of heliocentric universe over Aristotle's theory. He would have published it himself but he was afraid of getting mocked.

Galileo publishes his theories

Mar 7, 1604

Proves that everything, no matter the weight, falls at the same rate without friction.

Learns about the Telescope

Mar 7, 1609

Bought a telescope and improves the magnification to 32 powers

Leaves Padua

Mar 7, 1610

Leaves Padua to become philosopher and mathematician to the Grand Duke of Tuscany, who allowed Galileo to work more on his own projects.

Visits Rome

Mar 7, 1611

Visits Rome to demonostrate the Telescope.

Writes more letters

Mar 7, 1613

After being in Rome, Galileo writes three letters to take his position on the heliocentric theory of the universe.

Rome and Galileo spend 3 years in conflict

Mar 7, 1613

(1613-1616) Because Galileo wrote his letters in Italian, Aristotelian Scholars said that the attacks of Galileo on Aristotle were actually attacks on themselves so the church declared that Galileo was contradicting scripture

The Catholic Church declares the writings of Galileo banned

Mar 5, 1616

The Church says Galileo’s writings are banned and that Galileo must not "hold or defend his doctrines."

Retires

Mar 7, 1616

(1616-1623) Galileo retires to his home in Bellosguardo near Florence.

Back to Rome

Mar 7, 1624

He travels back to Rome to confront the 1616 decree. The Pope does not change the decree, but he does allow Galileo to write on both sides of the issue

Galileo publishes his greatest works

Mar 7, 1632

Galileo publishes Dialogue Concerning the Two Chief World Systems, in compliance with the Pope, the work is set as a conversation between two men discussing the Ptolemaic and Copernican systems.

Placed on Trial

Mar 7, 1632

(1632-1633) The Pope, angry with the content of "Dialogo," places him on trial

Back to Rome...Again

Feb 7, 1633

Galileo is put on trial and forced to go back to Rome and placed under the suspicion of "vehement suspicion of heresy," but is convicted of holding and teaching the Copernican belief. He was placed under house arrest for eight years until his death.

Principles of Mechanics

Mar 7, 1634

Despite his house arrest Galileo publishes Dialogue Concerning Two New Sciences, a work about the principles of mechanics.

Liberations

Mar 7, 1638

Makes the discovery that the moon makes monthly turns on its axis called liberations, right before he goes completely blind.

Galileo Dies

Jan 8, 1642

Dies from a long illness