This page lists all content on our site that has been tagged with "Telescope". You may find a variety of content here, from books, to exhibitions, to events. Image Gallery Half moon from Sidereus Nuncius Magna, Longeque Admirabilia Spectacula Pandens, Suspiciendaque Proponens Unicuique. Hevelius' 140 foot telescope from Machinæ coelestis pars prior-posterior. Schematic of Saturn's rings from Cristiani Hugenii Zulichemii, Const. f. Systema Saturnium.