garadinervi:Galileo Galilei, February 15, 1564 / 2019(image: Galileo Galilei, Sidereus nuncius, facs
garadinervi:Galileo Galilei, February 15, 1564 / 2019(image: Galileo Galilei, Sidereus nuncius, facsimile of the 1610 edition) -- source link
garadinervi:Galileo Galilei, February 15, 1564 / 2019(image: Galileo Galilei, Sidereus nuncius, facsimile of the 1610 edition) -- source link