Galileo was an Italian physicist and astronomer who initiated the scientific
revolution that flowered in the work of the English physicist Sir Isaac Newton. Born
Galileo Galilei, his main contributions were, in astronomy, the use of the telescope in
observation and the discovery of sunspots, lunar mountains and valleys, the four largest
satellites of Jupiter, and the phases of Venus. In physics, he discovered the laws of falling
bodies and the motions of projectiles. In the history of culture, Galileo stands as a symbol
of the battle against authority for freedom of inquiry.
Galileo…
