life of Galileo~

Galileo Galilei was born on 15 February 1564, in Pisa, Italy. He was a mathematician, astronomer, physicist, writer and philosopher. He had a great contribution in scientific revolution. In 1583, he got admitted in famous University of Pisa.

He supported the Aristotelian theory and got a good position in the most powerful scientific authority powered by the Roman Catholic Church. He left the university in 1585. Then he continued study mathematics. And after that he wrote a book named “The Little Balance” describing his two decade study on objects in motion.

For this book, he became a bit famous and he became a teacher in the University of Pisa in 1589. In 1609 he modified a telescope to observe the sky. Then he began to support the Copernican theory that the sun is the center and the earth is circling the sun, which offensive to Aristotelian an Roman Catholic Church theories.

In 1613 he told his student the similarity between Bible and Copernican theory.

The church knew it and made the book public. Then the church announced the Copernican theory illegal. Galileo was ruled not to teach of publish the Copernican theory about the earth and stayed silent for 7 year. Cardinal Maffeo Barberini was selected as the Pope Urban VIII, who was a good friend of Galileo. He encouraged Galileo to continue his study, but also told him not to write anything supporting Copernican theory.