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by Galileo Galilei
|Tretis de Lumen|
Written in 1610, Sidereus Nuncius (The Sidereal Messenger) was Galileo firstearthshaking book. In addition to offering rich and detailed evidence forCopernican heliocentrism, this treatise documented Galileo's discovery ofthe four moons circling Jupiter, his first fruits from his newly inventedtelescope. Sidereus Nuncius contains an introductory passage about thetelescope, a section on Galileo's lunar observations, a description of howthe planets and the fixed stars appeared through his telescope, a daily logof sightings of Jupiter and its satellites. It also contains Galileo'srefutations of the arguments against Copernicus's work in De RevolutionibusOrbium Coelestium.
Tretis de Lumen
Detailed images during Fabricaion Stage