he is an italian physicist and astronomer
his father wanted him tl study medicen
Galileo fromulated the basic low of faling bodies
which he brovd by carful mesurment
he also bild a teleskop in 1613 .
he pablishd a book about sun spot .
Galileo daid in 1642
Attended the University of Pisa but was forced to halt his studies there for financial reasons.
1595-1598 - Made a device to improved "Geometric and Military Compass" suitable for use by gunners and surveyors.
1857 - Cristiano Banti's painting Galileo facing the Roman InquisitionPsalms 93:1; 96:10; 104:5, 1Chronicles 16:30 and Ecclesiastes 1:4,5 speak of the (in some sense) "firm" and "established" position of the earth.
- Defended heliocentrism, and claimed it was not contrary to those Scripture passages.
1589 - Offered a position on its faculty and taught mathematics.
1600 - With assistant tried to measure the speed of light. They stood on different hilltops, each holding a shuttered lantern.
1606-1607 - Galileo made a thermometer, using the expansion and contraction of air in a bulb to move water in an attached tube.
1608 - Galileo made one telescope with about 3x magnification.
1609 - Improved telescope models up to about 32x.
- Galileo was among the first to use a refracting telescope as an instrument to observe stars, planets or moons.
- Demonstrated his first telescope to Venetian lawmakers and his work on the device also made for a profitable.
1610 - Moved to the University of Padua and served on its faculty, teaching geometry, mechanics, and astronomy.
- Published his initial telescopic astronomical observations in March 1610 in a short treatise entitled Sidereus Nuncius (Starry Messenger).
- January 7, Galileo discovered three of Jupiter's four largest satellites (moons): Io, Europa, and Callisto.
- Galileo published a full description in Sidereus Nuncius in March.
- Used a telescope as a compound microscope, and he made improved microscopes and appears to be the first clearly documented use of the compound microscope.
1612 - Galileo went to Rome, where he joined the Accademia dei Lincei and observed sunspots.
- Supported the Copernican theories, which Galileo supported.
- Determined the correct mathematical law for acceleration: the total distance covered, starting from rest, is proportional to the square of the time.
1614 - Father Tommaso Caccini denounced Galileo's opinions on the motion of the Earth, judging them dangerous and close to heresy.
1616 - Galileo went to Rome to defend himself against these accusations.
1622 - Wrote the The Assayer (Saggiatore).
1623 - Approved and published The Assayer (Saggiatore).
1624 - Developed the first known example of the microscope.
1630 - Returned to Rome to apply for a license to print the Dialogue Concerning the Two Chief World Systems, published in Florence in 1632.
1632 - Presented a physical theory to account for tides, based on the motion of the Earth.
- Dropped balls of different masses from the Leaning Tower of Pisa to demonstrate that their time of descent was independent of their mass (excluding the limited effect of air resistance).
1933 - Confined in Siena and was allowed to retire to his villa in Arcetri.
- Ordered to stand trial on suspicion of heresy.
- Required to recant his heliocentric ideas; the idea that Sun is stationary was condemned as "formally heretical".
- Ordered imprisoned; the sentence was later commuted to house arrest.
1634 - Deprived of the support of his beloved daughter who died prematurely.
1638 - Almost totally blind, Galileo published his final book, Two New Sciences, in Leiden.
1642 - He died in Arcetri on the 8th of January in the company of his student Vincenzo Viviani.
Galileo was called the father of the scientific method.
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- "You cannot teach a man anything.; you can only help him to find it for himself."
- "I do not feel obliged to believe that the same God who has endowed us with sense, reason, and intellect has intended us to forgo their use."
- "I do not feel obliged to believe that that same God who has endowed us with sense, reason, and intellect has intended us to forego their use."
- "You cannot teach a man anything; you can only help him find it within himself."
- "All truths are easy to understand once they are discovered; the point is to discover them."