- Gregorian reflector aerial
- n (BrE) (cf Gregorian reflector antenna AmE )TELECOM antena de reflector Gregoriana f
English-Spanish technical dictionary. - London, © Routledge. 1997.
English-Spanish technical dictionary. - London, © Routledge. 1997.
Arecibo Observatory — Arecibo Radio Telescope Organization SRI International, NSF, Cornell University Location … Wikipedia
History of the telescope — The earliest known working telescopes appeared in 1608 and are credited to Hans Lippershey and Zacharias Janssen, spectacle makers in Middelburg, and Jacob Metius of Alkmaar. The design of these early refracting telescopes consisted of a convex… … Wikipedia
Invention of radio — Great Radio Controversy redirects here. For the album by the band Tesla, see The Great Radio Controversy. Contents 1 Physics of wireless signalling 2 Theory of electromagnetism … Wikipedia
Green Bank Telescope — Infobox Telescope name = Green Bank Telescope organization = NRAO location = Green Bank, West Virginia, USA coords = coord|38|25|58.23|N|79|50|21.88|W|display=inline,title wavelength = radio built = 1991 2002 first light = August 22, 2000 style … Wikipedia