Galileo Galileo was a pioneer of modern physics and telescopic astronomy who was born on February 15, 1564 near Pisa, Italy. As an Italian physicist and astronomer, he was the first to use the telescope to discover many undiscovered realms of space. His discoveries of sunspots, lunar mountains and valleys, and the satellites of Jupiter formed the basis of modern astronomy. His discoveries opened a gateway into the unexplored areas of the universe. Galileo's education began in …showed first 75 words of 1823 total…

…showed last 75 words of 1823 total…Two New Sciences. Galileo's eyes had bothered him for many years. He had been complaining of eye pain because of long hours of studying. He lost sight in his right eye first, then the left. During the last four years of his life he was completely blind. In November 1641 a slow fever seized Galileo and his arthritic pains had become more. This was his last illness. He died on January 8, 1642 at almost 78 years of age.