Last name: Guerra. This unusual and interesting surname is of Old French pre 9th century origins. Recorded in many spellings including Guerre, Guierre, Laguerre (French), Guerra, Guerrero, (Spanish), Guerreiro (Portugese), Guerri (Italian), Guerriero (Sicillian), and Warr or Warre (English), the name derives from the word 'guerre' meaning 'war'.
Instead, Galileo disproved the Ptolemaic theory, sanctioned for centuries by the Church, which held the Earth to be the central and principal object in the universe, about which all celestial objects orbited.
The original Galileo was an Italian natural philosopher, astronomer, and mathematician. He is best known for his discovery of the telescope.For more information about Galileo, check out (link will open in a pop-up window). Galileo Galilei web site.he original Galileo was an Italian natural philosopher, astronomer, and mathematician. He is best known for his discovery of the telescope. For more information about Galileo, check out (link will open in a pop-up window). Galileo Galilei web site.