9/23/2023 0 Comments Small refracting telescope![]() ![]() While the design has been perfected over the years, the general concepts have remained the same. There are numerous other books and web sites covering Galileo's work and the history of astronomy.The refracting telescope was invented over four centuries ago. The Sleepwalkers by Arthur Koestler is a classic book dealing with the development of astronomical thought up to the time of Newton.The Cambridge Illustrated History of Astronomy, ed Michael Hoskin, Cambridge University Press, 1997 provides a wealth of information and diagrams and is an authoritative yet readable guide to the topic.van Helden from University of Chicago Press, 1989. Galileo's Sidereus nuncius or The Sidereal messenger is available in translation by A.The site provides historical background and technical details. It has images of the Sun, Moon, Venus, stars and nebulae. Afocal CCD Images Through a Galilean Telescope is an excellent resource that provides CCD images that approximate what the human eye would see through a Galilean telescope.They also have an excellent new site: Galileo's Telescope, the Instrument that Changed the World. ![]() Much of it is in English although some sections, including an excellent simulation of early telescopes, is only available in Italian at present.
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