Galileo used his mathematics knowledge and technical skills to improve upon the spyglass and build a telescope. Later that same year, he became the first person to look at the Moon through a telescope and make his first astronomy discovery. He found that the Moon was not smooth, but mountainous and pitted - just like the Earth!
He subsequently used his newly invented telescope to discover four of the moons circling Jupiter, to study Saturn, to observe the phases of Venus, and to study sunspots on the Sun. Galileo's observations strengthened his belief in Copernicus' theory that Earth and all other planets revolve around the Sun. Most people in Galileo's time believed that the Earth was the center of the universe and that the Sun and planets revolved around it.
The Catholic Church, which was very powerful and influential in Galileo's day, strongly supported the theory of a geocentric, or Earth-centered, universe. After Galileo began publishing papers about his astronomy discoveries and his belief in a heliocentric , or Sun-centered, Universe, he was called to Rome to answer charges brought against him by the Inquisition the legal body of the Catholic Church.
Early in , Galileo was accused of being a heretic, a person who opposed Church teachings. Heresy was a crime for which people were sometimes sentenced to death. Galileo was cleared of charges of heresy, but was told that he should no longer publicly state his belief that Earth moved around the Sun.
Galileo continued his study of astronomy and became more and more convinced that all planets revolved around the Sun. When Galileo pointed his telescope at Jupiter, the largest planet in our solar system, he made a startling discovery.
Nearly 70 at the time of his trial, Galileo lived his last nine years under comfortable house arrest, writing a summary of his early motion experiments that became his final great scientific work. He died in Arcetri near Florence, Italy on January 8, at age 77 after suffering from heart palpitations and a fever.
Galileo Galilei pioneered the experimental scientific method and was the first to use a refracting telescope to make important astronomical discoveries. Your email address will not be published. You might be interested: Often asked: When did jay z and beyonce start dating?
You might be interested: Question: When does the new top gun movie come out? Posted In: Interesting. Today Galileo Galilei would be years old. Arcetri human settlement in Florence, Tuscany, Italy. Galileo Galilei was born in in the year of the Chinese zodiac Rat. Toggle navigation Happy Happy Birthday.
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