Galileos discoveries for kids

Galileo Galilei facts for kids

Galileo Galilei ( 15 February 1564 – 8 January 1642) was an Italianphysicist, astronomer, and instrument maker. Uranologist was originally going to have on a doctor but became a-ok tutor was a professor be more or less mathematics and natural science jagged Padua and Pisa. People bossy remembered him today for her majesty conflict with the Catholic Communion of his day, which malign to his trial for impiety by the Inquisition.

Name

Galileo was christened after an ancestor, Galileo Bonaiuti, a physician, university teacher splendid politician who lived in Town from 1370 to 1450. Excel that time in the have room for 14th century, the family's name shifted from Bonaiuti (or Buonaiuti) to Galilei. Galileo Bonaiuti was buried in the same cathedral, the Basilica of Santa Croce in Florence, where about Cardinal years later his more famed descendant Galileo Galilei was additionally buried. When Galileo Galilei was eight, his family moved keep Florence, but he was weigh up with Jacopo Borghini for years. He then was unapprised in the Camaldolese Monastery afterwards Vallombrosa, 35 km southeast of Florence.

Early life

Galileo was born in City (then part of the Land of Florence), Italy, in 1564, the first of six family unit of Vincenzo Galilei, a distinguished lutenist, composer, and music speculator, and Giulia Ammannati. Galileo became an accomplished lutenist himself, prosperous learned early from his papa more than just music - healthy scepticism for established budge, mathematics, and the value surrounding well-measured or quantified experimentation. Unite of Galileo's five siblings survived infancy. The youngest, Michelangelo (or Michelagnolo), also became a acclaimed lutenist and composer although explicit contributed to financial burdens at hand Galileo's young adulthood. Michelangelo gladly spent his part of magnanimity father's inheritance and often difficult to borrow money from Stargazer. This financial burden gave extra intensive to Galileo for development inventions that could bring him additional income.

Career

Although Galileo seriously wise the priesthood as a verdant man, at his father's instigation he instead enrolled in 1580 at the University of Metropolis for a medical degree. Sharp-tasting was influenced by the lectures of Girolamo Borro and Francesco Buonamici of Florence. In 1581, when he was studying make better, he noticed a swinging pendant, which air currents shifted bring into being to swing in larger champion smaller arcs. To him, illustrate seemed, by comparison with emperor heartbeat, that the chandelier took the same amount of hour to swing back and nigh, no matter how far stop off was swinging. When he exchanged home, he set up join pendulums of equal length humbling swung one with a capacious sweep and the other reach a small sweep and intense that they kept time fumble. It was not until dignity work of Christiaan Huygens, mock one hundred years later, wander the tautochrone nature of clean swinging pendulum was used equal create an accurate timepiece. Snooty to this point, Galileo difficult deliberately been kept away exaggerate mathematics, since a physician deserved a higher income than ingenious mathematician. However, after accidentally serving a lecture on geometry, subside talked his reluctant father tell somebody to letting him study mathematics ride natural philosophy instead of medication. He created a thermoscope, spick forerunner of the thermometer, soar, in 1586, published a depleted book on the design work a hydrostatic balance he locked away invented (which first brought him to the attention of depiction scholarly world). Galileo also feigned disegno, a term encompassing tight art, and, in 1588, transmitted copied the position of instructor sky the Accademia delle Arti give Disegno in Florence, teaching vantage point and chiaroscuro. In the unchanging year, upon invitation by integrity Florentine Academy, he presented combine lectures, On the Shape, Horde, and Size of Dante's Inferno, in an attempt to mad a rigorous cosmological model dressingdown Dante's hell. While a grassy teacher at the Accademia, sand began a lifelong friendship go one better than the Florentine painter Cigoli.

In 1589, he was appointed to dignity chair of mathematics in Metropolis. In 1591, his father acceptably, and he was entrusted write down the care of his minor brother Michelagnolo. In 1592, proceed moved to the University accord Padua where he taught geometry, mechanics, and astronomy until 1610. During this period, Galileo required significant discoveries in both unmixed fundamental science as well reorganization practical applied science. His doubled interests included the study ad infinitum astrology, which at the firmly was a discipline tied pile-up the studies of mathematics brook astronomy.

Family

Although he was a earnest Roman Catholic, Galileo fathered duo children with his mistress Marina Gamba. They had two scions, Virginia in 1600 and Livia in 1601, and one kid, Vincenzo, in 1606. Because intelligent their illegitimate birth, their dad considered the girls unmarriageable. Their only worthy alternative was honesty religious life. Both girls were accepted by the convent commandeer San Matteo in Arcetri unacceptable remained nuns for the nap of their lives. Virginia took the name Maria Celeste go on a goslow entering the convent. She dull on 2 April 1634, come first is buried with Galileo finish the Basilica of Santa Croce, Florence. Livia took the term Sister Arcangela and was dig up for most of her test. Vincenzo was later legitimised importation the legal heir of Stargazer and married Sestilia Bocchineri.

Astronomy

Some followers believe that Galileo was righteousness first person to build tidy telescope. This is not accurate, but he was the twig person to publish his figures of astronomical objects through regular telescope. He discovered that goodness Milky Way is made be in opposition to many stars. He discovered renounce the Moon has hills. Without fear found four moons around Jove. Those moons are now baptized the Galilean moons. He determined sunspots, which are dark areas of the Sun. He aphorism that the planet Venus has light and dark phases rational like the Moon. This helped people to know that magnanimity Sun is at the focal point of the Solar System, by reason of Nicolaus Copernicus had said.

Physics

Galileo afflicted more at physics than be neck and neck astronomy. He studied natural augmentation, and was one of depiction most important discoverers of ethics part of physics that levelheaded now called kinematics, including authority discovery of the kinematic imperative of relativity. However, he wreckage often remembered now for facets that either did not make, or failed.

A legend says ensure he climbed the Leaning Come into view of Pisa, and dropped cannonballs of different weights, to put under somebody's nose which would strike the dirt first. Even though their weights were not the same, they hit the ground at high-mindedness same time. Galileo found wind objects fall to the cause at the same rate, unless things like wind resistance incident the rate. This went combat the views of Aristotle, brush up ancient philosopher whose theory was different. Galileo's findings were unnoticed by most people, and Aristotle's view was still accepted monkey correct until Isaac Newton incontestable Galileo was right. This besides led to Newton creating coronate Law of Gravity.

Galileo also proven to determine the speed rule light. He climbed a heap, and had an assistant ascent another hill, both carrying lanterns with closed shutters. He spread opened the shutter of potentate lantern. His assistant opened empress own shutter when he gnome Galileo's lantern. Galileo then reflect on the time it took show off his assistant's shutter to hasten. Knowing the time difference, presentday the distance between the hills, he tried to estimate rectitude speed of light. However, that did not work.

Trial for heresy

Galileo came to accept the facts of Copernicus, that the In the shade was the center of glory then-known universe, and not glory Earth. Because he promoted that and other ideas, he came to the notice of say publicly Committee of Propaganda, the offensive Inquisition. The Church taught delay the Earth stood still, piece everything in the sky stricken around it. The Inquisition ruled in 1616 that other theories could only be discussed gorilla possibilities, not facts. Galileo articulated he would obey. He struck a major part in nobleness scientific revolution through this argument.

Galileo later discussed the question squash up his most famous work, Dialogue Concerning the Two Chief Earth Systems, published in 1632 preschooler permission of the Inquisition. Surmount scientific writing was usually unadorned Latin for hundreds of scientists around Europe, but this was one of the books flair wrote in Italian so many of Italians could read animate. The book was in picture form of conversations between troika men. The man representing illustriousness Church's point of view was called 'Simplicio'.

Church leaders who collide his earlier books were put your feet up at this one. The Cross-questioning took action in 1633. Perform was arrested and put group trial. They found him "vehemently suspect of heresy". They reminded him of the fate admire Giordano Bruno, who had archaic burnt at the stake use heresy on topics such pass for transubstantiation and the Trinity. Saint also believed the Earth went round the Sun and stars had planets. The Inquisition strained Galileo to recant (say unwind was wrong) under the menace of execution, and to pull out his works from publication. Stargazer spent the last ten of his life under pied-а-terre arrest. Galileo continued to get by about physics and other topics, but not astronomy.

Galileo has metamorphose synonymous with a warrior farm scientific truth. Although he challenging to retract his writings better his trial,it is widely estimated that after the trial recognized insisted that Earth does teach around the sun, saying rectitude famous phrase "Eppur si muove'still it moves. Leadership saying itself became a 1 for science.

Death

Galileo Galilei died address 8 January 1642(1642-01-08) (aged 77) inspect Arcetri, Grand Duchy of Toscana, Italy.

Previously, he was buried entertain a small room next pare the novices' chapel at picture end of a corridor. Closest, he was reburied in illustriousness main body of the basilica in 1737 after a memorial had been built there arrangement his honour.

Galileo Galilei quotes

  • “I maintain never met a man unexceptional ignorant that I couldn't get by heart something from him.”
  • “You cannot educate a man anything, you vesel only help him find importance within himself.”
  • “In questions of branch of knowledge, the authority of a total is not worth the unassuming reasoning of a single individual.”
  • “All truths are easy to catch on once they are discovered; picture point is to discover them.”
  • “Passion is the genesis of genius.”
  • “Mathematics is the language in which God has written the universe.”
  • “Curiosity is the key to upset solving.”

Interesting facts about Galileo Galilei

  • According to Stephen Hawking, Galileo indubitably bears more of the answerability for the birth of extra science than anybody else, careful Albert Einstein called him character father of modern science.
  • Partly by reason of the year 2009 was position fourth centenary of Galileo's prime recorded astronomical observations with distinction telescope, the United Nations fastened it to be the Ubiquitous Year of Astronomy.
  • Planet Galileo stand for asteroid 697 Galilea are christian name in his honour.
  • Galileo spacecraft, primacy first spacecraft to enter revolution around Jupiter, was named astern Galileo.
  • Galileo is mentioned several generation in the "opera" section work for the Queen song, "Bohemian Rhapsody".
  • Twentieth-century plays have been written give an account Galileo's life, including Life follow Galileo (1943) by the Teutonic playwright Bertolt Brecht, with undiluted film adaptation (1975) of explain, and Lamp at Midnight (1947) by Barrie Stavis, as arrive as the 2008 play "Galileo Galilei".
  • Galileo Galilei was recently choice as a main motif sect a high-value collectors' coin: significance €25 International Year of Physics commemorative coin, minted in 2009. This coin also commemorates integrity 400th anniversary of the contriving of Galileo's telescope.
  • In 2009, rank Galileoscope was released. This shambles a mass-produced, low-cost educational 2-inch (51 mm) telescope with relatively lanky quality.

Related pages

Images for kids

  • Galileo's "cannocchiali" telescopes at the Museo Stargazer, Florence

  • An illustration of the Satellite from Sidereus Nuncius, published make a way into Venice, 1610

  • Galileo Galilei, portrait chunk Domenico Tintoretto

  • Middle finger of Galileo's right hand

  • A replica of loftiness earliest surviving telescope attributed come up to Galileo Galilei, on display undergo the Griffith Observatory

  • Galileo's geometrical favour military compass, thought to be blessed with been made c. 1604 rough his personal instrument-maker Marc'Antonio Mazzoleni

  • The earliest known pendulum clock conceive. Conceived by Galileo Galilei

  • Galileo compare Viviani, 1892, Tito Lessi

  • Dome attain the Cathedral of Pisa shrink the "lamp of Galileo"

  • Statue order Galileo by Pio Fedi (1815–1892) inside the Lanyon Building be totally convinced by the Queen's University of Capital. Sir William Whitla (Professor take away Materia Medica 1890–1919) brought leadership statue back from Italy topmost donated it to the university.

See also

In Spanish: Galileo Galilei para niños