THE SIDEREAL MESSENGER
original: "Sidereus Nuncius"
Unfolding great and very wonderful sights, and proposing them to the consideration of every man, but especially of philosophers and astronomers; which have been observed by
GALILEO GALILEI
Patrician of Florence, Public Mathematician at the University of Padua,
With the aid of a SPYGLASS
original: "Perspicilli." At this time, the word "telescope" had not yet been coined; Galileo refers to his instrument as a "perspicillum" or "occhiale."
lately devised by him, in the surface of the Moon, in innumerable Fixed Stars, in the Milky Way, in Nebulous Stars, but especially in
FOUR PLANETS
Flying around the star of JUPITER at unequal intervals and periods with wonderful swiftness; which, unknown to anyone until this day, the author recently discovered for the first time, and determined to name the
MEDICEAN STARS
Galileo named the moons of Jupiter after his patrons, the Medici family, specifically the four brothers: Cosimo, Francesco, Carlo, and Lorenzo.