Pisa International Airport Pisa International Airport Pisa International Airport () , also named Galileo Galilei Airport is an airport located in Pisa, Italy. It is the main airport in Tuscany and the 10th in Italy in terms of passengers. It is named after Galileo Galilei, the famous scientist and native of Pisa. The airport was first developed for the military in the 1930s and 1940s. The airport was used by 5,233,118 passengers in 2017. It serves as a focus city of Ryanair. The airport had its own railway station with a service to and from Pisa Central railway station but this was closed
Galileo Galilei had appeared late in November of the previous year. Grassi concluded that the comet was a fiery body which had moved along a segment of a great circle at a constant distance from the earth, and since it moved in the sky more slowly than the moon, it must be farther away than the moon. Grassi's arguments and conclusions were criticised in a subsequent article, "Discourse on Comets", published under the name of one of Galileo's disciples, a Florentine lawyer named Mario Guiducci, although it had been largely written by Galileo himself. Galileo and Guiducci offered no definitive theory of