The research and experiment. He was convicted of a serious suspected of heresy. Galileo was strict control samples since 1990.1634 onwards, he must be at home. The countryside outside of Florence County Galileo blind permanently in 1975.1638 also suffered from a hernia and insomnia. Later, he was allowed to Florence to heal. He is still out to welcome the visitors are always until 1990.1642 which he died of fever and symptoms of heart failure.