Galileo Galilei was born in Pisa (then part of the Duchy of Florence), Italy, on 15 February 1564, the first of six children of Vincenzo Galilei, a famous lutenist, composer, and music theorist, and Giulia (née Ammannati), who had married in 1562. Galileo became an accomplished lutenist himself and would have learned early from his father a scepticism for established authority, the value of well-measured or quantified experimentation, an appreciation for a periodic or musical measure of time or rhythm, as well as the results expected from a combination of mathematics and experiment. Three of Galileo's five siblings survived infancy. The youngest,
Galileo Galilei (opera) for not relenting on his theory that the Earth revolves around the Sun. The Pope hands down his sentence, and then reminds Galileo of a time when they walked in the garden as friends. "Pears" Marie Celeste, the daughter of Galileo, sends her intense devotion love and support through letters that are accompanied by elements of her garden at the convent. "Trial" Galileo is summoned before two Cardinals of the Catholic Church to answer questions regarding his book "Dialogue Concerning the Two Chief Systems of the World". "Dialogue Concerning the Two Chief Systems of the World" As Galileo pens his