Galileo Galilei to the biography by Vincenzo Viviani) that these began by watching the swings of the bronze chandelier in the cathedral of Pisa, using his pulse as a timer. Later experiments are described in his "Two New Sciences". Galileo claimed that a simple pendulum is isochronous, i.e. that its swings always take the same amount of time, independently of the amplitude. In fact, this is only approximately true, as was discovered by Christiaan Huygens. Galileo also found that the square of the period varies directly with the length of the pendulum. Galileo's son, Vincenzo, sketched a clock based on his father's
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